In recent years, home intelligence has become the trend of the development of life, people have higher and higher require- ments for the degree of home intelligence, and intelligent electrical equipment is more and more popular and recognized by every- one.Aiming at this situation, an intelligent control system is designed for the humidifier. The system uses a single chip microcomput- er as the control core and combines monitoring, control, display, alarm and execution modules to realize the real-time monitoring, alarm and control of air temperature and humidity, providing more convenience for intelligent family and providing some preference for the intelligentization design of electronic equipment.