At present,there are many problems in smart home products,such as no unified management standard,low practicability and high price.In view of the above problems,the system uses the Harmony Hi3861 chip as the core,and integrates a smart home system integrating temperature and humidity sensors,light sensors,and intelligent infrared sensors,realizing environmental data acquisition and infrared alarm functions,and can achieve real-time monitoring and control through the Huawei cloud platform.A large number of experimental results show that the system is simple to operate,safe and stable,low input cost,provides users with a good experience,and has certain promotion value.