The system has real-time storage, playback, retrieval, and query functions. On-duty personnel can always pay attention to the construction situation inside and outside the cave, so as to achieve anytime, anywhere (Remote access by mobile phone can be realized) Timely and accurately supervise it to protect the safe construction of the tunnel. Its physical structure is divided into three parts: image acquisition terminal, data transmission, and monitoring center. The collection terminal is responsible for image information collection, and digitally compresses and encodes the collected images into digital signals, and transmits the digital information to the monitoring center through a wireless network bridge. The video monitoring system of the monitoring center analyzes the digital signals and monitors them. The implementation screen is displayed.