The development of communication technology has brought a profound impact on all walks of life, and the advent of 5G will bring about greater changes to society. The salient features of 5G's high bandwidth, low latency, and wide connection not only improve personal surfing experience, but also integrate with the industry to promote the intelligent upgrade of the industry. At the same time, due to the peculiarities of some industries, on the basis of the characteristics of 5G public networks, higher requirements are put forward for the security of network transmission and data storage. By building a 5G private network and integrating with industry applications, it can well meet with the requirements of special industries. This article proposes an integrated security monitoring solution based on the 5G private network aiming at the actual situation of security monitoring and management in the judicial field