Abstract: Focusing on people's better life, focusing on people-oriented, ecological and digital, we will build community digital construction by using technologies such as 5G, Internet of Things, big data, artificial intelligence and cloud computing. Based on this, this paper designs the infrastructure including wired communication (telephone, network) access system, cable TV distribution system, public broadcasting system, information release and display system, security technology prevention system (including video security monitoring system, electronic patrol system, personnel entrance and exit control system (including visitor intercom system), vehicle entrance and exit management system, elevator five-party intercom system, ladder control system), parking space guidance and reverse car seeking system, and building equipment monitoring system.