‘WeChat group’ (wēi xìn qún) is a digital communication space within the WeChat app where multiple users can exchange messages, share files, post images, and make voice or video calls. The term combines three characters: 微 (wēi), short for 微信 (Wēixìn, ‘WeChat’); 信 (xìn), meaning ‘message’ or ‘information’, reinforcing the app’s core function; and 群 (qún), meaning ‘group’ or ‘crowd’, indicating a collective of people connected online. Unlike public accounts or one-on-one chats, a 微信群 is private or semi-private, typically created by an administrator and joined via invitation or QR code.

This word is ubiquitous in modern Chinese daily life — used for family coordination, work teams, school classes, hobby communities, and neighborhood announcements. It reflects how deeply integrated WeChat is into social infrastructure in China. Users often refer to joining, leaving, creating, or being kicked out of a 微信群, and many groups develop their own norms, such as ‘no spam’ rules or scheduled check-ins.