The rapid emergency communication command scheduling multimedia information are needed for effective decision making, each group together to a unified command and information interaction, between the private network and private network，between the private network and public network, information cannot be effectively communication unify integration and intelligent data analysis. In this paper based on the IP of the private network and public network, satellite communications, WiFi, computer, information fusion PAD, Internet of things, intelligent medical, intelligent transportation, such as communication network integration, multimedia dispatching command center to adapt to the demand of modern emergency communication. Network integration scheme is proposed in this paper, as well as personal mobile terminal and PC upgrade intercom method, analyzes the core technology and key technology of network integration, network integration in the public security of specific illustrate the importance of network integration in the application of development, adhere to the private network using public advantage, and gradually expand the private network coverage, is the development direction of future network integration