diff --git a/proxy/member_service.go b/proxy/member_service.go
index ebf0f4f..a95f100 100644
--- a/proxy/member_service.go
+++ b/proxy/member_service.go
@@ -1,41 +1,82 @@
 package proxy
 
-import "log"
+import (
+	"log"
+	"encoding/json"
+)
 
 type MemberService struct {
-	Email  	string `json:"email"`
-	PwSalt 	string `json:"pwSalt"`
-	Name 	string `json:"name"`
-	Company string `json:"company"`
-	Phone 	string `json:"phone"`
+	Email  		string `json:"email"`
+	PwSalt 		string `json:"pwSalt"`
+	Digest 		string `json:"digest"`
+	Name 		string `json:"name"`
+	Company 	string `json:"company"`
+	Phone 		string `json:"phone"`
 }
 
+var TARGET_DAO = "member"
+
 func NewMember() *MemberService {
 	m := MemberService{}
 	return &m
 }
 
+func (m *MemberService) getMemberMap() (map[string]string) {
+	memMap := make(map[string]string)
+
+	str, err := json.Marshal(m)
+
+	if err != nil {
+		log.Fatal("Json Marshal Error: ", err)
+	}
+
+	memMap["com.loafle.overflow.member.model.Member"] = string(str)
+
+	return memMap
+}
+
 func (m *MemberService) Regist() (string){
 	log.Println("Call Regist", m.Email, m.PwSalt)
 	// Todo Call DB Gateway
 
-	return ""
+	m.Digest = "dddddddd"
+
+	memMap := m.getMemberMap()
+
+	re := invokeDB(TARGET_DAO, "create", memMap)
+
+	return re
 }
 
 func (m *MemberService) Read() (string){
 	log.Println("Call Read", m.Email)
 	// Todo Call DB Gateway
-	return ""
+	m.Digest = "read"
+	memMap := m.getMemberMap()
+
+	re := invokeDB(TARGET_DAO, "find", memMap)
+
+	return re
 }
 
 func (m *MemberService) Modify() (string){
 	log.Println("Call Modify", m.Email,  "::", m.PwSalt)
 	// Todo Call DB Gateway
-	return ""
+	m.Digest = "read"
+	memMap := m.getMemberMap()
+
+	re := invokeDB(TARGET_DAO, "update", memMap)
+
+	return re
 }
 
 func (m *MemberService) Remove() (string){
 	log.Println("Call Remove", m.Email)
 	// Todo Call DB Gateway
-	return ""
+	m.Digest = "read"
+	memMap := m.getMemberMap()
+
+	re := invokeDB(TARGET_DAO, "delete", memMap)
+
+	return re
 }
diff --git a/proxy/service.go b/proxy/service.go
new file mode 100644
index 0000000..1d1b106
--- /dev/null
+++ b/proxy/service.go
@@ -0,0 +1,32 @@
+package proxy
+
+import (
+	"log"
+	pb "loafle.com/overflow/overflow_api_db/build/golang"
+	"google.golang.org/grpc"
+	"golang.org/x/net/context"
+)
+
+func invokeDB(targetDb, methodName string, param map[string]string) (string) {
+
+	in := &pb.DBInput{}
+	in.TargetDao = targetDb
+	in.Method = methodName
+	in.Param = param
+
+	conn, err := grpc.Dial("192.168.1.105:50006", grpc.WithInsecure())
+
+	if err != nil {
+		log.Fatal("Rpc Error: ", err)
+	}
+	defer conn.Close()
+
+	client := pb.NewDBClient(conn)
+	out, err := client.Exec(context.Background(), in)
+	if err != nil {
+		log.Fatal("Rpc Client Error: ", err)
+	}
+	log.Print(out)
+
+	return out.Result
+}
\ No newline at end of file