Smart home perception and control system. The system builds an embedded platform with DSP chip as the core, connects with a large number of sensors, collects temperature and humidity, smoke concentration and noise, as well as human body temperature, heart rate, blood pressure and other health conditions. The system uses wireless radio frequency modules to wirelessly control specific home appliances in the family, connects to the network data cloud through home broadband or 3G communication, captures images through analog cameras, processes the collected information on the DSP platform, and responds accordingly according to the results. This system can intelligently control the work of home appliances according to the statistical rules of the owner's life, and can automatically control the opening and closing of the door according to the situation in front of the door; it can automatically sense the abnormal situation of the home and automatically alarm; Information, to achieve remote control, or stay at home, so that doctors can check their own health status through the network data cloud thousands of miles away.