1,Please use warm water to wash the new bottle repeatedly before using is.(It can be use a little of tableware detergent) 2,Fill in the water,put the bottom ceiling mounting in the water bottle and fixing it. 3,Turn the bottle on the normal position,the water will be automatically outflow until keeping balance. 4,After drinking,water will be automatically recovering the water level until the water using up. 5.Change water frequently to keep the water cleaning.