1 Pure Ozone together with high negative ion strengthen the effect on killing the virus in the air，remove the smell of cigarette and nicotine, indoor harmful gas, odor of bathroom and pet and the harmful gas come out of indoor decoration material. It can also remove the pollen particle, mite which can caused allergic asthma, build a fresh and comfortable living circumstance. 2 The Ozone can be lead to the water by tube to form ozone water. Ozone water can be used to wash face and hair, take shower, clean dinner tool, fruit and vegetable, fresh food, and eliminate the agrochemical so as to prolong the food storage time. 3 Ozone and negative ion can work simultaneously or separately, it抯 controlled by micro-computer and has remote controller and timer.