diff --git a/backend/src/services/UserServices/CreateUserService.ts b/backend/src/services/UserServices/CreateUserService.ts
index fd31b80..22a3c1a 100644
--- a/backend/src/services/UserServices/CreateUserService.ts
+++ b/backend/src/services/UserServices/CreateUserService.ts
@@ -29,7 +29,7 @@ const CreateUserService = async ({
   const schema = Yup.object().shape({
     name: Yup.string().required().min(2),
 
-    email: Yup.string().required().test(
+    email: Yup.string().required().trim().test(
       "Check-email",
       "An user with this email already exists.",
       async value => {
@@ -58,7 +58,7 @@ const CreateUserService = async ({
 
   try {
     await schema.validate({ email, password, name });
-  } catch (err) {
+  } catch (err:any) {
     throw new AppError(err.message);
   }
 
diff --git a/backend/src/services/UserServices/UpdateUserService.ts b/backend/src/services/UserServices/UpdateUserService.ts
index 5292e23..a1fedc6 100644
--- a/backend/src/services/UserServices/UpdateUserService.ts
+++ b/backend/src/services/UserServices/UpdateUserService.ts
@@ -1,7 +1,8 @@
 import * as Yup from "yup";
 
 import AppError from "../../errors/AppError";
-import ShowUserService from "./ShowUserService";
+import ShowUserService from "./ShowUserService"; 
+import User from "../../models/User";
 
 interface UserData {
   email?: string;
@@ -30,14 +31,23 @@ const UpdateUserService = async ({
   const user = await ShowUserService(userId);
 
   const schema = Yup.object().shape({
-    name: Yup.string().min(2),
-    
-    email: Yup.string().min(2),
-
-    // email: Yup.string().email(),
-
+    name: Yup.string().min(2), 
+    // email: Yup.string().min(2),  
     profile: Yup.string(),
-    password: Yup.string()
+    password: Yup.string(),
+  
+    email: Yup.string().trim().required().test(
+      "Check-email",
+      "An user with this email already exists.",
+      async value => {
+        if (!value) return false;
+        const emailExists = await User.findOne({
+          where: { email: value }
+        });
+        return !emailExists;
+      }
+    ),
+
   });
 
   const { email, password, profile, name, queueIds = [] } = userData;
@@ -47,6 +57,7 @@ const UpdateUserService = async ({
   } catch (err: any) {
     throw new AppError(err.message);
   }
+  
 
   await user.update({
     email,