The digital hail smart prison large-screen visual decision-making system is oriented to the large-screen environment of the command and monitoring center of prisons, detention centers, detoxification centers and other units. It has excellent big data display performance and multi-machine collaborative management mechanism, and supports large-screen, multi-screen, and super-resolution Rate, etc. show the scenario. Supports the integration of the data resources of the existing information system of the Institute, covering multiple business areas managed by the Institute. With advanced human-machine interaction methods, it can realize data fusion, data display, data analysis, data monitoring and command and other functions, which can be widely used. In scenes of daily supervision and control, emergency response, security risk research, display and reporting in the institution.