Real-time monitoring of target areas by high-definition digital cameras, linkage with local video recorders, and AI algorithms to capture possible thefts in real time, and issue warnings and records. Continuously improve corresponding behavior algorithms through past theft records and AI learning functions, and more quickly and accurately identify thefts and other behaviors that are harmful to supermarket operations. Log in to the designated platform with a personal computer or mobile phone to view the theft warning report generated online anytime and anywhere, and make corresponding decisions in real time to avoid further losses. Data is summarized periodically, and the number of thefts that occur in stages is checked in real time, the time period when thefts are most likely to occur is analyzed, and corresponding decisions are made to prevent thefts from occurring. The backup team assists in providing improvement suggestions and completes a large amount of video review work with minimal manpower. Improve the efficiency of identifying and reporting thefts.