With the rapid development and popularization of modern information technology, display screen has become a necessary weapon in the daily work of the judicial system. High-definition small pitch LED display screen based on the concept of “Internet +”, the integration of seamless ultra-high resolution display system, professional image processing system, mainstream signal switching system in one, for the judicial system tailored to the LED display management platform, can receive and display the trial signals of the court of each courtroom, the public security of all the video Monitoring signals and the court network and control network of all relevant systems of the network signal unified display, and to meet the leadership and relevant personnel can watch the whole process of the trial office. It not only brings revolutionary changes in judicial disclosure, but also greatly optimizes litigation services and case management, which explains the modernization of the trial system and trial capacity by informationization.