diff --git a/packages/experience/src/hooks/use-single-sign-on-watch.ts b/packages/experience/src/hooks/use-single-sign-on-watch.ts
index 12c1c92f7..767fbf4b1 100644
--- a/packages/experience/src/hooks/use-single-sign-on-watch.ts
+++ b/packages/experience/src/hooks/use-single-sign-on-watch.ts
@@ -1,4 +1,9 @@
-import { SignInIdentifier, experience, type SsoConnectorMetadata } from '@logto/schemas';
+import {
+  AgreeToTermsPolicy,
+  SignInIdentifier,
+  experience,
+  type SsoConnectorMetadata,
+} from '@logto/schemas';
 import { useEffect, useCallback, useContext } from 'react';
 import { useNavigate } from 'react-router-dom';
 
@@ -11,6 +16,7 @@ import useSingleSignOn from '@/hooks/use-single-sign-on';
 import { validateEmail } from '@/utils/form';
 
 import { useSieMethods } from './use-sie';
+import useTerms from './use-terms';
 
 const useSingleSignOnWatch = (identifierInput?: IdentifierInputValue) => {
   const navigate = useNavigate();
@@ -26,6 +32,8 @@ const useSingleSignOnWatch = (identifierInput?: IdentifierInputValue) => {
 
   const singleSignOn = useSingleSignOn();
 
+  const { termsValidation, agreeToTermsPolicy } = useTerms();
+
   // Silently check if the email is registered with any SSO connectors
   const fetchSsoConnectors = useCallback(
     async (email: string) => {
@@ -65,6 +73,13 @@ const useSingleSignOnWatch = (identifierInput?: IdentifierInputValue) => {
       return;
     }
 
+    /**
+     * Check if the user has agreed to the terms and privacy policy before single sign on when the policy is set to `Manual`
+     */
+    if (agreeToTermsPolicy === AgreeToTermsPolicy.Manual && !(await termsValidation())) {
+      return;
+    }
+
     // If there is only one connector, we can directly invoke the SSO flow
     if (ssoConnectors.length === 1 && ssoConnectors[0]?.id) {
       await singleSignOn(ssoConnectors[0].id);
@@ -72,7 +87,14 @@ const useSingleSignOnWatch = (identifierInput?: IdentifierInputValue) => {
     }
 
     navigate(`/${experience.routes.sso}/connectors`);
-  }, [navigate, showSingleSignOnForm, singleSignOn, ssoConnectors]);
+  }, [
+    agreeToTermsPolicy,
+    navigate,
+    showSingleSignOnForm,
+    singleSignOn,
+    ssoConnectors,
+    termsValidation,
+  ]);
 
   useEffect(() => {
     if (!singleSignOnEnabled) {
diff --git a/packages/experience/src/pages/Register/IdentifierRegisterForm/index.tsx b/packages/experience/src/pages/Register/IdentifierRegisterForm/index.tsx
index af0dc5734..26ad7768b 100644
--- a/packages/experience/src/pages/Register/IdentifierRegisterForm/index.tsx
+++ b/packages/experience/src/pages/Register/IdentifierRegisterForm/index.tsx
@@ -137,8 +137,7 @@ const IdentifierRegisterForm = ({ className, autoFocus, signUpMethods }: Props)
            * Hide the terms checkbox when the policy is set to `Automatic`.
            * In registration, the terms checkbox is always shown for `Manual` and `ManualRegistrationOnly` policies.
            */
-          (showSingleSignOnForm || agreeToTermsPolicy === AgreeToTermsPolicy.Automatic) &&
-            styles.hidden
+          agreeToTermsPolicy === AgreeToTermsPolicy.Automatic && styles.hidden
         )}
       />
 
diff --git a/packages/experience/src/pages/SignIn/IdentifierSignInForm/index.tsx b/packages/experience/src/pages/SignIn/IdentifierSignInForm/index.tsx
index d5d924ea4..af0869471 100644
--- a/packages/experience/src/pages/SignIn/IdentifierSignInForm/index.tsx
+++ b/packages/experience/src/pages/SignIn/IdentifierSignInForm/index.tsx
@@ -137,8 +137,7 @@ const IdentifierSignInForm = ({ className, autoFocus, signInMethods }: Props) =>
         className={classNames(
           styles.terms,
           // For sign in, only show the terms checkbox if the terms policy is manual
-          (showSingleSignOnForm || agreeToTermsPolicy !== AgreeToTermsPolicy.Manual) &&
-            styles.hidden
+          agreeToTermsPolicy !== AgreeToTermsPolicy.Manual && styles.hidden
         )}
       />
 
diff --git a/packages/experience/src/pages/SignIn/PasswordSignInForm/index.tsx b/packages/experience/src/pages/SignIn/PasswordSignInForm/index.tsx
index 5658d2b13..931716a81 100644
--- a/packages/experience/src/pages/SignIn/PasswordSignInForm/index.tsx
+++ b/packages/experience/src/pages/SignIn/PasswordSignInForm/index.tsx
@@ -160,8 +160,7 @@ const PasswordSignInForm = ({ className, autoFocus, signInMethods }: Props) => {
         className={classNames(
           styles.terms,
           // For sign in, only show the terms checkbox if the terms policy is manual
-          (showSingleSignOnForm || agreeToTermsPolicy !== AgreeToTermsPolicy.Manual) &&
-            styles.hidden
+          agreeToTermsPolicy !== AgreeToTermsPolicy.Manual && styles.hidden
         )}
       />