Abstract: Objective To study the application status of WeChat public platform in the activities of human library and to explore a best network platform for the human library’s promotion and communication, which can help human library be in a sustainable development; Methods: The "real book" is used to search the WeChat public platform, and the basic conditions and service functions are analyzed by using quantitative and qualitative methods; Conclusion The application of WeChat public platform exists low frequency, simple function, lack of online interaction; The improvement measures of WeChat in human library service in future is to optimize the content, update, to carry out online real-time communication, to enhance the interactive virtual, to expand the WeChat service function and to extend the scope of services.

Key words: human library, WeChat, WeChat public platform, application