The invention belongs to the application of the image recognition technology and the computer control technology in the field of security monitoring, and particularly relates to a municipal article theft detection and alarm method based on intelligent video analysis. The method adopts the VIBE background modeling algorithm, has the characteristics of strong anti-interference ability, simple alarmrule formulation and low requirements on server performance and network bandwidth. The method can complete real-time monitoring of the state of an article without participation of an operator, can timely alarm a theft event, is high in real-time performance, can continuously work, and can timely recording video information of a crime scene.