The circle of friends generally refers to a social function on Tencent WeChat, which was launched on April 20, 2002, when KLOC-0/9 updated WeChat version 4.0. Users can post words and pictures through friends circle, and share articles or music to friends circle through other software. Users can "comment" or "like" a friend's new photo, while other users can only view the comments or likes of the same friend.

There is a hidden switch in the WeChat settings-the circle of friends is visible for three days. Usually, this hidden setting is rarely used because most people are lazy. More than 1 100 million people have established a circle of friends visible for three days. This switch is used most in WeChat. This function is a very effective self-defense mechanism.

In March of 20 14, when updating the circle of friends in version 5.2 1 of WeChat, you can attach your restaurant or scenic spot.

201April 19, WeChat version 5.3 can create new location information when updating the circle of friends.

On May 5, 20 19, following the Android version, WeChat released the new version 7.0.4 of iOS. After the update, the option of "last month" was added, allowing friends to check their circle of friends. Previously, this item in WeChat privacy settings can only be selected from three ranges: "Last three days", "Last six months" or "All".