Can't keep up with the big data trend and be eliminated. WeChat official account refers to WeChat official account, which includes subscription number, service number and enterprise number, in which the service number can apply for customized menu, and the subscription number can be in the subscriber's address book. The reason why the official WeChat account did not update the tea break was that it was eliminated because it could not keep up with the trend of big data. Enterprise number can simplify the management process, improve the efficiency of information communication and cooperation, and enhance the service and management ability for front-line employees.