Smart home security system is a comprehensive application of sensor technology, radio technology, fuzzy control technology and other technologies. It uses modern broadband information network and radio network platform to control home appliances, home environment control, home monitoring and monitoring, and home An intelligent system product composed of security prevention, family information exchange, family entertainment, community management and service is a new product with strong technical and forward-looking. This system includes door magnetic sensor, infrared wide-angle detector, infrared curtain detector, etc.