diff --git a/src/app/modules/user/main/compose/index.ts b/src/app/modules/user/main/compose/index.ts
index a20e24f..7d9ad72 100644
--- a/src/app/modules/user/main/compose/index.ts
+++ b/src/app/modules/user/main/compose/index.ts
@@ -6,6 +6,7 @@ import { NoticeComposeComponent } from './notice-compose.component';
 import { WithdrawComposeComponent } from './withdraw-compose.component';
 import { WithdrawHistoryComposeComponent } from './withdraw-history-compose.component';
 import { SignUpComposeComponent } from './sign-up-compose.component';
+import { SignInComposeComponent } from './sign-in-compose.component';
 export const COMPOSE = [
   DepositComposeComponent,
   WithdrawComposeComponent,
@@ -15,4 +16,5 @@ export const COMPOSE = [
   WithdrawHistoryComposeComponent,
   NoticeComposeComponent,
   SignUpComposeComponent,
+  SignInComposeComponent,
 ];
diff --git a/src/app/modules/user/main/compose/sign-in-compose.component.html b/src/app/modules/user/main/compose/sign-in-compose.component.html
new file mode 100644
index 0000000..45886c7
--- /dev/null
+++ b/src/app/modules/user/main/compose/sign-in-compose.component.html
@@ -0,0 +1,56 @@
+<div class="flex flex-col max-w-240 md:min-w-160 max-h-screen -m-6">
+  <!-- Header -->
+  <div
+    class="flex flex-0 items-center justify-between h-16 pr-3 sm:pr-5 pl-6 sm:pl-8 bg-primary text-on-primary"
+  >
+    <div class="text-lg font-medium">로그인</div>
+    <button mat-icon-button (click)="saveAndClose()" [tabIndex]="-1">
+      <mat-icon
+        class="text-current"
+        [svgIcon]="'heroicons_outline:x'"
+      ></mat-icon>
+    </button>
+  </div>
+
+  <!-- Compose form -->
+  <form
+    class="flex flex-col flex-auto p-6 sm:p-8 overflow-y-auto"
+    [formGroup]="composeForm"
+  >
+    <!-- 아이디 -->
+    <mat-form-field>
+      <mat-label>아이디</mat-label>
+      <input matInput [formControlName]="'username'" />
+      <div class="copy-fields-toggles" matSuffix></div>
+    </mat-form-field>
+
+    <!-- 비밀번호 -->
+    <mat-form-field>
+      <mat-label>비밀번호</mat-label>
+      <input matInput [formControlName]="'password'" />
+    </mat-form-field>
+
+    <!-- Actions -->
+    <div
+      class="flex flex-col sm:flex-row sm:items-center justify-between mt-4 sm:mt-6"
+      style="align-items: center"
+    >
+      <div class="flex items-center mt-4 sm:mt-0">
+        <!-- Discard -->
+        <button class="ml-auto sm:ml-0" mat-stroked-button (click)="discard()">
+          취소
+        </button>
+
+        <!-- Send -->
+        <button
+          class="order-first sm:order-last"
+          mat-flat-button
+          [color]="'primary'"
+          (click)="send()"
+        >
+          로그인
+        </button>
+      </div>
+    </div>
+  </form>
+</div>
diff --git a/src/app/modules/user/main/compose/sign-in-compose.component.ts b/src/app/modules/user/main/compose/sign-in-compose.component.ts
new file mode 100644
index 0000000..d88aa24
--- /dev/null
+++ b/src/app/modules/user/main/compose/sign-in-compose.component.ts
@@ -0,0 +1,91 @@
+import { Component, OnInit, ViewEncapsulation } from '@angular/core';
+import { FormBuilder, FormGroup, Validators } from '@angular/forms';
+import { MatDialogRef } from '@angular/material/dialog';
+
+@Component({
+  selector: 'sign-in-compose',
+  templateUrl: './sign-in-compose.component.html',
+  encapsulation: ViewEncapsulation.None,
+})
+export class SignInComposeComponent implements OnInit {
+  composeForm!: FormGroup;
+  copyFields: { cc: boolean; bcc: boolean } = {
+    cc: false,
+    bcc: false,
+  };
+  quillModules: any = {
+    toolbar: [
+      ['bold', 'italic', 'underline'],
+      [{ align: [] }, { list: 'ordered' }, { list: 'bullet' }],
+      ['clean'],
+    ],
+  };
+
+  /**
+   * Constructor
+   */
+  constructor(
+    public matDialogRef: MatDialogRef<SignInComposeComponent>,
+    private _formBuilder: FormBuilder
+  ) {}
+
+  // -----------------------------------------------------------------------------------------------------
+  // @ Lifecycle hooks
+  // -----------------------------------------------------------------------------------------------------
+
+  /**
+   * On init
+   */
+  ngOnInit(): void {
+    // Create the form
+    this.composeForm = this._formBuilder.group({
+      username: ['', [Validators.required, Validators.email]],
+      password: ['', [Validators.email]],
+    });
+  }
+
+  // -----------------------------------------------------------------------------------------------------
+  // @ Public methods
+  // -----------------------------------------------------------------------------------------------------
+
+  /**
+   * Show the copy field with the given field name
+   *
+   * @param name
+   */
+  showCopyField(name: string): void {
+    // Return if the name is not one of the available names
+    if (name !== 'cc' && name !== 'bcc') {
+      return;
+    }
+
+    // Show the field
+    this.copyFields[name] = true;
+  }
+
+  /**
+   * Save and close
+   */
+  saveAndClose(): void {
+    // Save the message as a draft
+    this.saveAsDraft();
+
+    // Close the dialog
+    this.matDialogRef.close();
+  }
+
+  /**
+   * Discard the message
+   */
+  discard(): void {}
+
+  /**
+   * Save the message as a draft
+   */
+  saveAsDraft(): void {}
+
+  /**
+   * Send the message
+   */
+  send(): void {}
+}
diff --git a/src/app/modules/user/main/main.component.html b/src/app/modules/user/main/main.component.html
index 8703187..992d738 100644
--- a/src/app/modules/user/main/main.component.html
+++ b/src/app/modules/user/main/main.component.html
@@ -79,23 +79,12 @@
       <div class="flex shrink-0 items-center mt-6 sm:mt-0 sm:ml-4">
         <!-- Search -->
 
-        <!-- Add product button -->
-
-        <input
+        <button
           class="ml-4"
-          type="text"
-          placeholder="아이디"
-          name="IU_ID"
-          id="IU_ID"
-        />
-        <input
-          class="ml-4"
-          type="text"
-          placeholder="패스워드"
-          name="IU_ID"
-          id="IU_ID"
-        />
-        <button class="ml-4" mat-flat-button [color]="'primary'">
+          mat-flat-button
+          [color]="'primary'"
+          (click)="__onClickCompose(composeMenuType.signin)"
+        >
           <mat-icon [svgIcon]="'heroicons_outline:plus'"></mat-icon>
           <span class="ml-2 mr-1">로그인</span>
         </button>
diff --git a/src/app/modules/user/main/main.component.ts b/src/app/modules/user/main/main.component.ts
index 7e345e7..c917eb3 100644
--- a/src/app/modules/user/main/main.component.ts
+++ b/src/app/modules/user/main/main.component.ts
@@ -5,11 +5,13 @@ import { CustomerComposeComponent } from './compose/customer-compose.component';
 import { DepositComposeComponent } from './compose/deposit-compose.component';
 import { DepositHistoryComposeComponent } from './compose/deposit-history-compose.component';
 import { NoticeComposeComponent } from './compose/notice-compose.component';
+import { SignInComposeComponent } from './compose/sign-in-compose.component';
 import { SignUpComposeComponent } from './compose/sign-up-compose.component';
 import { WithdrawComposeComponent } from './compose/withdraw-compose.component';
 import { WithdrawHistoryComposeComponent } from './compose/withdraw-history-compose.component';
 
 export enum ComposeMenuType {
+  signin = 'signin',
   signup = 'Signup',
   deposit = 'Deposit',
   withdraw = 'Withdraw',
@@ -207,6 +209,9 @@ export class MainComponent {
     let selectType: any;
 
     switch (composeMenuType) {
+      case ComposeMenuType.signin:
+        selectType = SignInComposeComponent;
+        break;
       case ComposeMenuType.signup:
         selectType = SignUpComposeComponent;
         break;