For a long time, the management function of wechat for users’ circle of friends has not been very substantial. There are no more choices besides sending messages, deleting messages, who to see and who can see them. < / P > < p > on the positive side, circle of friends communication can be very pure and will not be interfered by the already overflowing interactive functions on other social platforms, such as comment management of circle of friends messages. In the past, everyone could only delete their own comments. Even if other people’s comments are not appropriate, there are at most two options: copy and translation after long press. Want to delete comments from other users? Can only delete the entire circle of friends news. < / P > < p > if there is a circle of friends comments that you want to delete, you don’t have much choice: either leave it as air and let the circle disappear in the flow of time. Or to suppress their own displeasure, not to think about the doubts of other friends who left comments, and delete and resend the message of the circle of friends after hard work. < / P > < p > the starting point of the circle of friends is very good. Based on the social privacy attribute of wechat acquaintances, it provides a space for friends to put down their burdens and communicate with each other online. However, the reality is always beyond the initial imagination. Wechat has long been the top social application for the whole people, carrying the communication function beyond the social interaction of acquaintances. American companies begin to give up R & D: who should pay for corporate research?