1. We can't see each other's updates in the circle of friends, and the photos shared in the circle of friends before dark will not be displayed in the circle of friends. 2. It will still be displayed in other people's address book friends list. 3. No more messages will be received from the other party. 4. If the other party cannot send you a message, it will prompt "The other party refuses to receive your message". You can send messages to each other normally. 5. The other party cannot view the updated avatar and personal signature. 6. Friends can't view your WeChat photo album and comment photos. 7. Chat records will no longer be displayed in your own conversation list, and will reappear in the conversation list after deleting the blacklist. 8. The above content is the function of WeChat blacklist.