The real-time performance of CCTV monitoring system is particularly important. It is precisely because of the real-time nature of the CCTV monitoring system that the CCTV monitoring system is so necessary. CCTV monitoring system has security and confidentiality measures to prevent illegal intrusion into the system and illegal operation. The CCTV monitoring system equipment adopts a modular structure. The system can easily and flexibly expand the hardware and software when the monitoring scale, monitoring object, or monitoring requirements change, that is, it does not need to change the network structure and main software and hardware equipment.