diff --git a/src/controllers/OrgRootController.ts b/src/controllers/OrgRootController.ts
index 241b62f0..49c0c596 100644
--- a/src/controllers/OrgRootController.ts
+++ b/src/controllers/OrgRootController.ts
@@ -15,12 +15,14 @@ import {
 import { CreateOrgRoot, OrgRoot } from "../entities/OrgRoot";
 import { AppDataSource } from "../database/data-source";
 import HttpSuccess from "../interfaces/http-success";
+import { OrgChild1 } from "../entities/OrgChild1";
 
 @Route("organization")
 @Tags("OrgRoot")
 // @Security("bearerAuth")
 export class OrgRootController extends Controller {
   private orgRootRepository = AppDataSource.getRepository(OrgRoot);
+  private orgChild1Repository = AppDataSource.getRepository(OrgChild1);
 
   /**
    * สร้างโครงสร้างระดับ Root 
@@ -117,4 +119,38 @@ export class OrgRootController extends Controller {
       return error;
     }
   }
+
+  /**
+   * ลบโครงสร้างระดับ Root 
+   *
+   * @summary ORG_003 - ลบโครงสร้างระดับ Root (ADMIN) #3
+   *
+   * @param {string} id  Guid, *Id root
+   */
+  @Delete("root/{id}")
+  async delete(
+    @Path() id: string,
+  ) {
+    try {
+      const orgRoot = await this.orgRootRepository.findOne({ where: { id } });
+      const orgChild1 = await AppDataSource.getRepository(OrgChild1)
+      .createQueryBuilder("orgChild1")
+      .where("orgChild1.orgRootId", { id })
+      .getOne();
+      
+      if (!orgRoot) {
+        return `not found data`;
+      }
+
+      if(!orgChild1){
+          await this.orgRootRepository.remove(orgRoot);
+      }else{
+          return 'ไม่สามารถลบข้อมูลได้'
+      }
+      
+      return new HttpSuccess();
+    } catch (error) {
+      return error;
+    }
+  }
 }