diff --git a/packages/relay/src/routers/ETCRouter.ts b/packages/relay/src/routers/ETCRouter.ts
index f8743f8..ef86724 100644
--- a/packages/relay/src/routers/ETCRouter.ts
+++ b/packages/relay/src/routers/ETCRouter.ts
@@ -12,6 +12,8 @@ import { ResponseMessage } from "../utils/Errors";
 import express from "express";
 import { body, param, query, validationResult } from "express-validator";
 
+import { HashZero } from "@ethersproject/constants";
+
 export class ETCRouter {
     private web_service: WebService;
     private readonly config: Config;
@@ -118,6 +120,7 @@ export class ETCRouter {
         try {
             const account: string = String(req.body.account).trim();
             const type = req.body.type === undefined ? 0 : Number(req.body.type);
+            const shopId = req.body.shopId === undefined ? HashZero : String(req.body.shopId).trim();
             const token: string = String(req.body.token).trim();
             const language: string = String(req.body.language).trim();
             const os: string = String(req.body.os).trim();
@@ -130,6 +133,7 @@ export class ETCRouter {
             const item = {
                 account,
                 type,
+                shopId,
                 token,
                 language,
                 os,
@@ -167,11 +171,12 @@ export class ETCRouter {
         try {
             const account: string = String(req.body.account).trim();
             const type: number = Number(req.body.type);
+            const shopId = req.body.shopId === undefined ? HashZero : String(req.body.shopId).trim();
             const title: string = String(req.body.title).trim();
             const contents: string = String(req.body.contents).trim();
             const contentType: string = String(req.body.contentType).trim();
 
-            const mobileData = await this.storage.getMobile(account, type);
+            const mobileData = await this.storage.getMobile(account, type, shopId);
             if (mobileData !== undefined) {
                 await this.sender.send(mobileData.token, title, contents, { type: contentType });
             }
@@ -204,8 +209,9 @@ export class ETCRouter {
         try {
             const account: string = String(req.params.account).trim();
             const type: number = Number(req.query.type);
+            const shopId = req.query.shopId === undefined ? HashZero : String(req.query.shopId).trim();
 
-            const mobileData = await this.storage.getMobile(account, type);
+            const mobileData = await this.storage.getMobile(account, type, shopId);
             if (mobileData === undefined) {
                 return res.status(200).json(ResponseMessage.getErrorMessage("2008"));
             }
@@ -215,6 +221,7 @@ export class ETCRouter {
                 this.makeResponseData(0, {
                     account: mobileData.account,
                     type: mobileData.type,
+                    shopId: mobileData.shopId,
                     token: mobileData.token,
                     language: mobileData.language,
                     os: mobileData.os,
@@ -243,7 +250,8 @@ export class ETCRouter {
         try {
             const account: string = String(req.params.account).trim();
             const type: number = Number(req.query.type);
-            const mobileData = await this.storage.getMobile(account, type);
+            const shopId = req.query.shopId === undefined ? HashZero : String(req.query.shopId).trim();
+            const mobileData = await this.storage.getMobile(account, type, shopId);
             const exists = mobileData !== undefined && mobileData.account.toLowerCase() === account.toLowerCase();
 
             this.metrics.add("success", 1);
diff --git a/packages/relay/src/routers/PaymentRouter.ts b/packages/relay/src/routers/PaymentRouter.ts
index 896be05..6399b65 100644
--- a/packages/relay/src/routers/PaymentRouter.ts
+++ b/packages/relay/src/routers/PaymentRouter.ts
@@ -1354,7 +1354,7 @@ export class PaymentRouter {
                 );
             }
 
-            const mobileData = await this.storage.getMobile(shopInfo.account, MobileType.SHOP_APP);
+            const mobileData = await this.storage.getMobile(shopInfo.account, MobileType.SHOP_APP, shopInfo.shopId);
 
             if (!this.config.relay.testMode && mobileData === undefined) {
                 return res.status(200).json(ResponseMessage.getErrorMessage("2005"));
diff --git a/packages/relay/src/routers/ShopRouter.ts b/packages/relay/src/routers/ShopRouter.ts
index 7087cef..a33def1 100644
--- a/packages/relay/src/routers/ShopRouter.ts
+++ b/packages/relay/src/routers/ShopRouter.ts
@@ -703,7 +703,7 @@ export class ShopRouter {
                     );
                 }
 
-                const mobileData = await this.storage.getMobile(item.account, MobileType.SHOP_APP);
+                const mobileData = await this.storage.getMobile(item.account, MobileType.SHOP_APP, item.shopId);
 
                 if (!this.config.relay.testMode && mobileData === undefined) {
                     return res.status(200).json(ResponseMessage.getErrorMessage("2005"));
@@ -992,7 +992,7 @@ export class ShopRouter {
                 }
 
                 /// 사용자에게 푸쉬 메세지 발송
-                const mobileData = await this.storage.getMobile(item.account, MobileType.SHOP_APP);
+                const mobileData = await this.storage.getMobile(item.account, MobileType.SHOP_APP, item.shopId);
 
                 if (!this.config.relay.testMode && mobileData === undefined) {
                     return res.status(200).json(ResponseMessage.getErrorMessage("2005"));
diff --git a/packages/relay/src/storage/RelayStorage.ts b/packages/relay/src/storage/RelayStorage.ts
index 5936c9a..5f405f5 100644
--- a/packages/relay/src/storage/RelayStorage.ts
+++ b/packages/relay/src/storage/RelayStorage.ts
@@ -22,6 +22,8 @@ import {
 } from "../types";
 import { ContractUtils } from "../utils/ContractUtils";
 
+import { HashZero } from "@ethersproject/constants";
+
 import * as hre from "hardhat";
 
 /**
@@ -664,6 +666,7 @@ export class RelayStorage extends Storage {
             this.queryForMapper("mobile", "postMobile", {
                 account: item.account,
                 type: item.type,
+                shopId: item.shopId,
                 token: item.token,
                 language: item.language,
                 os: item.os,
@@ -678,15 +681,16 @@ export class RelayStorage extends Storage {
         });
     }
 
-    public getMobile(account: string, type: number): Promise<MobileData | undefined> {
+    public getMobile(account: string, type: number, shopId: string = HashZero): Promise<MobileData | undefined> {
         return new Promise<MobileData | undefined>(async (resolve, reject) => {
-            this.queryForMapper("mobile", "getMobile", { account, type })
+            this.queryForMapper("mobile", "getMobile", { account, type, shopId })
                 .then((result) => {
                     if (result.rows.length > 0) {
                         const m = result.rows[0];
                         return resolve({
                             account: m.account,
                             type: m.type,
+                            shopId: m.shopId,
                             token: m.token,
                             language: m.language,
                             os: m.os,
diff --git a/packages/relay/src/storage/mapper/mobile.xml b/packages/relay/src/storage/mapper/mobile.xml
index 64efa03..0f7cba8 100644
--- a/packages/relay/src/storage/mapper/mobile.xml
+++ b/packages/relay/src/storage/mapper/mobile.xml
@@ -7,6 +7,7 @@
             (
                 "account"                ,
                 "type"                   ,
+                "shopId"                   ,
                 "token"                  ,
                 "language"               ,
                 "os"
@@ -15,18 +16,19 @@
             (
                 #{account}               ,
                 #{type}                  ,
+                #{shopId}                ,
                 #{token}                 ,
                 #{language}              ,
                 #{os}
             )
-        ON CONFLICT ("account", "type")
+        ON CONFLICT ("account", "type", "shopId")
         DO UPDATE
-        SET "token" = #{token},
+            SET "token" = #{token},
             "language" = #{language},
             "os" = #{os};
     </insert>
 
     <select id="getMobile">
-        SELECT * FROM mobiles WHERE LOWER("account") = LOWER(#{account}) AND "type" = ${type} ;
+        SELECT * FROM mobiles WHERE LOWER("account") = LOWER(#{account}) AND "type" = ${type} AND LOWER("shopId") = LOWER(#{shopId})  ;
     </select>
 </mapper>
diff --git a/packages/relay/src/storage/mapper/table.xml b/packages/relay/src/storage/mapper/table.xml
index 1c92a44..899b517 100644
--- a/packages/relay/src/storage/mapper/table.xml
+++ b/packages/relay/src/storage/mapper/table.xml
@@ -57,10 +57,11 @@
         (
             "account"               VARCHAR(42)  NOT NULL,
             "type"                  INTEGER DEFAULT 0,
+            "shopId"                VARCHAR(66) DEFAULT '0x0000000000000000000000000000000000000000000000000000000000000000',
             "token"                 VARCHAR(50) NOT NULL,
             "language"              VARCHAR(3)   NOT NULL,
             "os"                    VARCHAR(12)  NOT NULL,
-            PRIMARY KEY ("account", "type")
+            PRIMARY KEY ("account", "type", "shopId")
             );
     </sql>
 
diff --git a/packages/relay/src/types/index.ts b/packages/relay/src/types/index.ts
index 68371b6..6730cd9 100644
--- a/packages/relay/src/types/index.ts
+++ b/packages/relay/src/types/index.ts
@@ -190,6 +190,7 @@ export enum MobileType {
 export interface MobileData {
     account: string;
     type: MobileType;
+    shopId: string;
     token: string;
     language: string;
     os: string;
diff --git a/packages/relay/test/Payment.test.ts b/packages/relay/test/Payment.test.ts
index 9249605..1899d7e 100644
--- a/packages/relay/test/Payment.test.ts
+++ b/packages/relay/test/Payment.test.ts
@@ -1518,6 +1518,12 @@ describe("Test of Server", function () {
             config.relay.certifiers = deployments.accounts.certifiers.map((m) => m.privateKey);
             config.relay.callbackEndpoint = "http://127.0.0.1:3400/callback";
             config.relay.relayEndpoint = `http://127.0.0.1:${config.server.port}`;
+
+            client = new TestClient({
+                headers: {
+                    Authorization: config.relay.accessKey,
+                },
+            });
         });
 
         before("Create TestServer", async () => {
@@ -1585,6 +1591,7 @@ describe("Test of Server", function () {
             const param = {
                 account: wallet.address,
                 type: 1,
+                shopId: shopData[purchaseOfLoyalty.shopIndex].shopId,
                 token: "12345678901234567890123456789012345678901234567890",
                 language: "kr",
                 os: "iOS",
diff --git a/packages/relay/test/PaymentV2.test.ts b/packages/relay/test/PaymentV2.test.ts
index 53d70c8..98cc5bc 100644
--- a/packages/relay/test/PaymentV2.test.ts
+++ b/packages/relay/test/PaymentV2.test.ts
@@ -1646,6 +1646,7 @@ describe("Test of Server", function () {
             const param = {
                 account: wallet.address,
                 type: 1,
+                shopId: shopData[purchaseOfLoyalty.shopIndex].shopId,
                 token: "12345678901234567890123456789012345678901234567890",
                 language: "kr",
                 os: "iOS",