As a modern communication software, Wechat is favored by many young people due to its fast spreading, large influence and numerous customers. In the process, the establishment of meteorological Wechat public platform could play the effects of disaster prevention and mitigation and improving service capacity without changing the advantages of Wechat. In view of this, by analyzing Wetchat and its public platform, main functions of meteorological Wechat public platform are expounded, and development prospects of the public platform are cleared from multiple perspectives.