Abstract: Intelligence has become an inevitable trend in the development of household appliances. The intelligent technology of household air conditioner in Japan has the following characteristics: in terms of monomer intelligence, it meets the needs of users in energy saving, convenience and safety through technologies such as human body detection, object detection, weather detection and APP intelligent control, combined with scene factors; In terms of smart home system, through the linkage of household air conditioner and various equipment, users can get a more comfortable experience and living environment. Referring to the practices of Japanese enterprises, China's air conditioning enterprises can improve the intelligent level of household air conditioning from the aspects of using sensing instruments, considering scene application, IoT etc.

Key words: Intelligent, Air conditioning, Smart home, Japan