Abstract: After experiencing a new crown pneumonia epidemic, people's hygiene concepts and health awareness have been unprecedentedly high, which has further promoted people's attention to healthy home appliances. At present, the health functions of home appliances in the market mainly include antibacterial, odor removal, virus killing and purification technology. This study mainly introduces the functions of refrigerator preservation, washing machine sterilization, air conditioning purification and water dispenser filtration. The refrigerator can control the spoilage of food by controlling temperature, humidity and anti-bacterial technology. The level of antibacterial and sterilization has become an important indicator to reflect the health function of washing machine. The air conditioner purifies the air and the drinking water purifies the domestic water. These functions meet people's needs for healthy life in all aspects. By introducing the health function of home appliances, and provides a theoretical reference for consumers to better understand the health appliances.

Key words: Health, Preservation, Sterilization, Purification