diff --git a/projects/ucap-webmessenger-api-message/src/lib/apis/send.ts b/projects/ucap-webmessenger-api-message/src/lib/apis/send.ts
index 15bde9b9..39d9559f 100644
--- a/projects/ucap-webmessenger-api-message/src/lib/apis/send.ts
+++ b/projects/ucap-webmessenger-api-message/src/lib/apis/send.ts
@@ -23,14 +23,14 @@ export interface SendRequest extends APIRequest {
   title: string;
   titleYn: boolean;
   listOrder: ContentType[];
-  reservationTime: string;
-  smsYn: boolean;
+  reservationTime?: string;
+  smsYn?: boolean;
 
   textContent: { text: string }[];
   recvUserList: { userSeq: number; userName: string }[];
 
-  files: File[];
-  fileUploadItem: FileUploadItem;
+  files?: File[];
+  fileUploadItem?: FileUploadItem;
 }
 
 export interface SendResponse extends MessageAPIResponse {}
@@ -72,26 +72,10 @@ export const encodeSend: APIFormDataEncoder<SendRequest> = (
     extraParams.listOrder = s;
   }
   if (!!req.textContent) {
-    let s = '';
-    req.textContent.forEach(v => {
-      if ('' !== s) {
-        s = s + `,${JSON.stringify(v)}`;
-      } else {
-        s = s + `${JSON.stringify(v)}`;
-      }
-    });
-    extraParams.textContent = `[${s}]`;
+    extraParams.textContent = JSON.stringify(req.textContent);
   }
   if (!!req.recvUserList) {
-    let s = '';
-    req.recvUserList.forEach(v => {
-      if ('' !== s) {
-        s = s + `,${JSON.stringify(v)}`;
-      } else {
-        s = s + `${JSON.stringify(v)}`;
-      }
-    });
-    extraParams.recvUserList = `[${s}]`;
+    extraParams.recvUserList = JSON.stringify(req.recvUserList);
   }
   return ParameterUtil.encodeFormData(sendEncodeMap, req, extraParams);
 };
diff --git a/projects/ucap-webmessenger-api/src/lib/models/file-upload-item.ts b/projects/ucap-webmessenger-api/src/lib/models/file-upload-item.ts
index 0239627b..72e09741 100644
--- a/projects/ucap-webmessenger-api/src/lib/models/file-upload-item.ts
+++ b/projects/ucap-webmessenger-api/src/lib/models/file-upload-item.ts
@@ -9,7 +9,7 @@ export class FileUploadItem {
   private uploadingProgress: Subject<number>;
   private uploadStartTime: number;
 
-  private constructor(file: File) {
+  private constructor(file?: File) {
     this.file = file;
   }
 
@@ -24,6 +24,10 @@ export class FileUploadItem {
     return fileItems;
   }
 
+  static from(): FileUploadItem {
+    return new FileUploadItem();
+  }
+
   uploadStart(): Subject<number> {
     this.uploadStartTime = new Date().getTime();
     this.uploadingProgress = new Subject<number>();
diff --git a/projects/ucap-webmessenger-api/src/lib/utils/parameter.util.ts b/projects/ucap-webmessenger-api/src/lib/utils/parameter.util.ts
index a8d646e3..52760d92 100644
--- a/projects/ucap-webmessenger-api/src/lib/utils/parameter.util.ts
+++ b/projects/ucap-webmessenger-api/src/lib/utils/parameter.util.ts
@@ -56,6 +56,10 @@ export class ParameterUtil {
       if (!!v) {
         if (v instanceof File) {
           formData.append(parameterMap[key], v, v.name);
+        } else if (Array.isArray(v)) {
+          v.forEach(f => {
+            formData.append(parameterMap[key], f, f.name);
+          });
         } else {
           formData.append(parameterMap[key], v);
         }
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts
index 368186cd..f3bf9f58 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts
@@ -44,6 +44,7 @@ import {
   MessageWriteDialogResult,
   MessageWriteDialogData
 } from '../dialogs/message/message-write.dialog.component';
+import { EnvironmentsInfo, KEY_ENVIRONMENTS_INFO } from '@app/types';
 
 export enum MainMenu {
   Group = 'GROUP',
@@ -85,6 +86,7 @@ export class LeftSideComponent implements OnInit, OnDestroy {
   MainMenu = MainMenu;
 
   sessionVerinfo: VersionInfo2Response;
+  environmentsInfo: EnvironmentsInfo;
   loginRes: LoginResponse;
   loginResSubscription: Subscription;
 
@@ -98,6 +100,10 @@ export class LeftSideComponent implements OnInit, OnDestroy {
     this.sessionVerinfo = this.sessionStorageService.get<VersionInfo2Response>(
       KEY_VER_INFO
     );
+
+    this.environmentsInfo = this.sessionStorageService.get<EnvironmentsInfo>(
+      KEY_ENVIRONMENTS_INFO
+    );
   }
 
   ngOnInit() {
@@ -216,7 +222,8 @@ export class LeftSideComponent implements OnInit, OnDestroy {
       width: '600px',
       height: '600px',
       data: {
-        loginRes: this.loginRes
+        loginRes: this.loginRes,
+        environmentsInfo: this.environmentsInfo
       }
     });
 
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.html
index ff79b843..8a9c93cd 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.html
@@ -5,6 +5,10 @@
     </mat-card-title>
   </mat-card-header>
   <mat-card-content>
-    <ucap-message-write #messageWrite></ucap-message-write>
+    <ucap-message-write
+      #messageWrite
+      (send)="onSend($event)"
+      (selectReceiver)="onSelectReceiver($event)"
+    ></ucap-message-write>
   </mat-card-content>
 </mat-card>
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.ts
index 7b81594b..d24ada79 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.ts
@@ -12,10 +12,22 @@ import {
 import { LoginResponse } from '@ucap-webmessenger/protocol-authentication';
 import { NGXLogger } from 'ngx-logger';
 import { MessageStatusCode } from '@ucap-webmessenger/api';
-import { WriteComponent as UCapMessageWriteComponent } from '@ucap-webmessenger/ui-message';
+import {
+  WriteComponent as UCapMessageWriteComponent,
+  Message
+} from '@ucap-webmessenger/ui-message';
+import { UserInfo } from '@ucap-webmessenger/protocol-sync';
+import {
+  CreateChatDialogComponent,
+  CreateChatDialogData,
+  CreateChatDialogResult
+} from '../chat/create-chat.dialog.component';
+import { UserSelectDialogType, EnvironmentsInfo } from '@app/types';
+import { take } from 'rxjs/operators';
 
 export interface MessageWriteDialogData {
   loginRes: LoginResponse;
+  environmentsInfo: EnvironmentsInfo;
   detail?: DetailResponse;
 }
 
@@ -49,15 +61,52 @@ export class MessageWriteDialogComponent implements OnInit {
 
   ngOnInit(): void {}
 
+  async onSelectReceiver(receiverList: UserInfo[]) {
+    const result = await this.dialogService.open<
+      CreateChatDialogComponent,
+      CreateChatDialogData,
+      CreateChatDialogResult
+    >(CreateChatDialogComponent, {
+      width: '600px',
+      data: {
+        type: UserSelectDialogType.EditChatMember,
+        title: '쪽지 수신자 선택',
+        curRoomUser: receiverList
+      }
+    });
+
+    if (!!result && !!result.choice && result.choice) {
+      while (receiverList.length) {
+        receiverList.pop();
+      }
+      result.selectedUserList.forEach(v => {
+        receiverList.push(v as UserInfo);
+      });
+    }
+  }
+
+  onSend(message: Message) {
+    this.messageApiService
+      .sendMessage({
+        ...message,
+        userSeq: this.data.loginRes.userInfo.seq,
+        userName: this.data.loginRes.userInfo.name,
+        deviceType: this.data.environmentsInfo.deviceType,
+        tokenKey: this.data.loginRes.tokenString,
+        titleYn: '' !== message.title ? true : false
+      })
+      .pipe(take(1))
+      .subscribe(
+        res => {
+          this.logger.debug('onSend', res);
+        },
+        error => {
+          this.logger.debug('onSend', error);
+        }
+      );
+  }
+
   getBtnValid() {
     return true;
   }
-
-  onClickChoice(choice: boolean): void {
-    this.dialogRef.close();
-  }
-
-  onClickTest() {
-    this.messageWrite.printEditor();
-  }
 }
diff --git a/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.html b/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.html
index f2ab4005..f17172ea 100644
--- a/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.html
+++ b/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.html
@@ -1,19 +1,5 @@
 <mat-card class="mat-elevation-z0 ucap-message-write">
   <form name="messageWriteForm" [formGroup]="messageWriteForm" novalidate>
-    <mat-form-field class="message-receiver-list">
-      <mat-chip-list #chipList aria-label="Fruit selection">
-        <mat-chip *ngFor="let receiver of receiverList">
-          {{ receiver }}
-          <span matChipRemove class="mdi mdi-close"></span>
-        </mat-chip>
-        <input
-          matInput
-          placeholder="수신자"
-          formControlName="receiverList"
-          [matChipInputFor]="chipList"
-        />
-      </mat-chip-list>
-    </mat-form-field>
     <mat-form-field class="message-title">
       <input matInput formControlName="title" placeholder="제목" />
     </mat-form-field>
@@ -32,23 +18,68 @@
         </mat-list-item>
       </mat-list>
     </mat-card-content>
+
+    <mat-form-field class="message-receiver-list">
+      <mat-chip-list #chipList aria-label="receiver selection">
+        <mat-chip
+          *ngFor="let receiver of receiverList"
+          removable="true"
+          (removed)="onRemovedReceiver(receiver)"
+        >
+          {{ receiver.name }}
+          <span matChipRemove class="mdi mdi-close"></span>
+        </mat-chip>
+        <input
+          [matChipInputFor]="chipList"
+          placeholder="수신자"
+          readonly
+          (click)="onClickReceiverList()"
+        />
+      </mat-chip-list>
+    </mat-form-field>
+
     <mat-card-actions>
-      <button mat-icon-button aria-label="이미지" (click)="onClickImage()">
-        <span class="mdi mdi-camera mdi-24px"></span>
-      </button>
-      <button
-        mat-icon-button
-        aria-label="첨부파일"
-        (click)="onClickAttachment()"
-      >
-        <span class="mdi mdi-attachment mdi-rotate-90 mdi-24px"></span>
-      </button>
-      <button mat-stroked-button (click)="onClickCancel()" class="mat-primary">
-        취소
-      </button>
-      <button mat-flat-button (click)="onClickSend()" class="mat-primary">
-        보내기
-      </button>
+      <div class="editor-tools">
+        <button mat-icon-button aria-label="이미지" (click)="onClickImage()">
+          <span class="mdi mdi-camera mdi-24px"></span>
+        </button>
+        <button
+          mat-icon-button
+          aria-label="첨부파일"
+          (click)="onClickAttachment()"
+        >
+          <span class="mdi mdi-attachment mdi-rotate-90 mdi-24px"></span>
+        </button>
+      </div>
+      <div class="editor-actions-spacer"></div>
+      <div>
+        <mat-form-field>
+          <input matInput [matDatepicker]="picker" placeholder="발송일자" />
+          <mat-datepicker-toggle
+            matSuffix
+            [for]="picker"
+          ></mat-datepicker-toggle>
+          <mat-datepicker #picker></mat-datepicker>
+        </mat-form-field>
+      </div>
+      <div class="editor-actions-spacer"></div>
+      <div class="editor-actions">
+        <button
+          mat-stroked-button
+          (click)="onClickCancel()"
+          class="mat-primary"
+        >
+          취소
+        </button>
+        <button
+          mat-flat-button
+          (click)="onClickSend()"
+          class="mat-primary"
+          style="margin-left: 3px;"
+        >
+          보내기
+        </button>
+      </div>
     </mat-card-actions>
   </form>
 </mat-card>
diff --git a/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.scss b/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.scss
index 1fb4ec55..46760a67 100644
--- a/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.scss
+++ b/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.scss
@@ -20,5 +20,36 @@
       height: 100%;
       min-height: 270px;
     }
+
+    [contenteditable] {
+      transition: padding 0.3s ease-in-out;
+    }
+
+    [contenteditable]:hover,
+    [contenteditable]:focus {
+      padding: 0.25em;
+    }
+
+    [contenteditable]:hover {
+      background: #fafafa;
+    }
+
+    [contenteditable]:focus {
+      background: #efefef;
+    }
+  }
+
+  mat-card-actions {
+    display: flex;
+    width: 100%;
+
+    .editor-tools {
+      padding-left: 0px;
+    }
+    .editor-actions-spacer {
+      flex: 1 1 auto;
+    }
+    .editor-actions {
+    }
   }
 }
diff --git a/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.ts b/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.ts
index 2fc468ec..d4d8ddbb 100644
--- a/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.ts
+++ b/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.ts
@@ -1,12 +1,9 @@
 import {
   Component,
   OnInit,
-  Input,
   Output,
   EventEmitter,
   ViewChild,
-  ContentChild,
-  TemplateRef,
   AfterViewInit,
   ChangeDetectorRef,
   OnDestroy,
@@ -18,10 +15,32 @@ import { ucapAnimations } from '@ucap-webmessenger/ui';
 import { NGXLogger } from 'ngx-logger';
 import { FileUtil } from '@ucap-webmessenger/core';
 import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import {
+  ContentType,
+  CategoryType,
+  MessageType
+} from '@ucap-webmessenger/api-message';
+import { FileUploadItem } from '@ucap-webmessenger/api';
+import { UserInfo } from '@ucap-webmessenger/protocol-sync';
+
+const ATTR_FILE = 'UCAP_ATTR_FILE';
 
 interface Content {
-  contentType: 'text' | 'image' | 'attachment';
-  content: string;
+  contentType: ContentType;
+  content: string | File;
+}
+
+export interface Message {
+  category: CategoryType;
+  type: MessageType;
+  title: string;
+  listOrder: ContentType[];
+  textContent: { text: string }[];
+  recvUserList: { userSeq: number; userName: string }[];
+  files?: File[];
+  fileUploadItem?: FileUploadItem;
+  reservationTime?: string;
+  smsYn?: boolean;
 }
 
 @Component({
@@ -31,6 +50,12 @@ interface Content {
   animations: ucapAnimations
 })
 export class WriteComponent implements OnInit, OnDestroy, AfterViewInit {
+  @Output()
+  send = new EventEmitter<Message>();
+
+  @Output()
+  selectReceiver = new EventEmitter<UserInfo[]>();
+
   @ViewChild('editor', { static: true })
   editor: ElementRef<HTMLDivElement>;
 
@@ -38,8 +63,9 @@ export class WriteComponent implements OnInit, OnDestroy, AfterViewInit {
   fileInput: ElementRef<HTMLInputElement>;
 
   messageWriteForm: FormGroup;
-  receiverList: string[] = ['이진호', '강희경', '이유진'];
   attachmentList: File[];
+  fileUploadItem: FileUploadItem;
+  receiverList: UserInfo[] = [];
 
   constructor(
     private formBuilder: FormBuilder,
@@ -70,6 +96,7 @@ export class WriteComponent implements OnInit, OnDestroy, AfterViewInit {
         const dataUrl = await FileUtil.fromBlobToDataUrl(file);
         const img = document.createElement('img');
         img.src = dataUrl as string;
+        img[ATTR_FILE] = file;
         self.insertNode(img);
       }
 
@@ -107,17 +134,85 @@ export class WriteComponent implements OnInit, OnDestroy, AfterViewInit {
     return false;
   }
 
-  onClickSend() {}
+  onRemovedReceiver(receiver: UserInfo) {
+    const index = this.receiverList.indexOf(receiver);
+
+    if (index >= 0) {
+      this.receiverList.splice(index, 1);
+    }
+  }
+
+  onClickReceiverList() {
+    this.selectReceiver.emit(this.receiverList);
+  }
+
+  onClickSend() {
+    const contentList: Content[] = this.generateContent();
+    if (!contentList || 0 === contentList.length) {
+      return;
+    }
+
+    const listOrder: ContentType[] = [];
+    const textContent: { text: string }[] = [];
+    const recvUserList: { userSeq: number; userName: string }[] = [];
+    const files: File[] = [];
+    const title = this.messageWriteForm.get('title').value;
+
+    contentList.forEach(v => {
+      listOrder.push(v.contentType);
+      switch (v.contentType) {
+        case ContentType.Text:
+          textContent.push({ text: v.content as string });
+          break;
+        case ContentType.Image:
+        case ContentType.AttachFile:
+          files.push(v.content as File);
+          break;
+        default:
+          break;
+      }
+    });
+
+    this.receiverList.forEach(v => {
+      recvUserList.push({
+        userSeq: v.seq,
+        userName: v.name
+      });
+    });
+
+    this.fileUploadItem = FileUploadItem.from();
+
+    this.send.emit({
+      category: CategoryType.General,
+      type: MessageType.Send,
+      title,
+      listOrder,
+      textContent,
+      recvUserList,
+      files,
+      fileUploadItem: this.fileUploadItem
+    });
+  }
+
   onClickCancel() {}
 
-  printEditor(): void {
+  private generateContent(): Content[] {
     const contentList: Content[] = [];
 
     this.editor.nativeElement.childNodes.forEach((v, k) => {
       this.parseNode(contentList, v);
     });
 
-    this.logger.debug('printEditor', contentList);
+    if (!!this.attachmentList && 0 < this.attachmentList.length) {
+      this.attachmentList.forEach(v => {
+        contentList.push({
+          contentType: ContentType.AttachFile,
+          content: v
+        });
+      });
+    }
+
+    return contentList;
   }
 
   private parseNode(contentList: Content[], node: ChildNode) {
@@ -140,16 +235,17 @@ export class WriteComponent implements OnInit, OnDestroy, AfterViewInit {
             });
           } else {
             if ('IMG' === node.nodeName) {
-              this.appendNode(contentList, 'image', node.textContent);
+              const img: HTMLImageElement = node as HTMLImageElement;
+              this.appendNode(contentList, ContentType.Image, img[ATTR_FILE]);
             } else if ('BR' === node.nodeName) {
-              this.appendNode(contentList, 'text', `\n`);
+              this.appendNode(contentList, ContentType.Text, `\n`);
             } else {
             }
           }
         }
         break;
       case Node.TEXT_NODE:
-        this.appendNode(contentList, 'text', node.textContent);
+        this.appendNode(contentList, ContentType.Text, node.textContent);
         break;
 
       default:
@@ -159,17 +255,17 @@ export class WriteComponent implements OnInit, OnDestroy, AfterViewInit {
 
   private appendNode(
     contentList: Content[],
-    contentType: 'text' | 'image' | 'attachment',
-    content: string
+    contentType: ContentType,
+    content: string | File
   ) {
     const prevContent = contentList[contentList.length - 1];
     switch (contentType) {
-      case 'text':
-        if (!!prevContent && 'text' === prevContent.contentType) {
+      case ContentType.Text:
+        if (!!prevContent && ContentType.Text === prevContent.contentType) {
           prevContent.content = `${prevContent.content}${content}`;
         } else {
           contentList.push({
-            contentType: 'text',
+            contentType: ContentType.Text,
             content
           });
         }
diff --git a/projects/ucap-webmessenger-ui-message/src/lib/ucap-ui-message.module.ts b/projects/ucap-webmessenger-ui-message/src/lib/ucap-ui-message.module.ts
index 24dcf59e..5d6067ad 100644
--- a/projects/ucap-webmessenger-ui-message/src/lib/ucap-ui-message.module.ts
+++ b/projects/ucap-webmessenger-ui-message/src/lib/ucap-ui-message.module.ts
@@ -9,6 +9,7 @@ import { ScrollingModule } from '@angular/cdk/scrolling';
 import { MatButtonModule } from '@angular/material/button';
 import { MatCardModule } from '@angular/material/card';
 import { MatChipsModule } from '@angular/material/chips';
+import { MatDatepickerModule } from '@angular/material/datepicker';
 import { MatDividerModule } from '@angular/material/divider';
 import { MatFormFieldModule } from '@angular/material/form-field';
 import { MatGridListModule } from '@angular/material/grid-list';
@@ -16,6 +17,8 @@ import { MatIconModule } from '@angular/material/icon';
 import { MatInputModule } from '@angular/material/input';
 import { MatListModule } from '@angular/material/list';
 
+import { MatMomentDateModule } from '@angular/material-moment-adapter';
+
 import { PerfectScrollbarModule } from 'ngx-perfect-scrollbar';
 
 import { WriteComponent } from './components/write.component';
@@ -36,12 +39,14 @@ const SERVICES = [];
     MatButtonModule,
     MatCardModule,
     MatChipsModule,
+    MatDatepickerModule,
     MatDividerModule,
     MatFormFieldModule,
     MatGridListModule,
     MatIconModule,
     MatInputModule,
     MatListModule,
+    MatMomentDateModule,
 
     PerfectScrollbarModule
   ],