桶装饮用水开封后应尽量在7天内喝完，3天后要尽量喝热水。一周一换水可避开细菌繁殖高峰期。办公室或家里人数少于3人时，最好选用11 升的小包装桶装水。2.每隔1个月对饮水机进行清洗消毒，在夏季最好半个月清洗消毒一次;新的饮水机在初次使用前也应彻底清洗消毒。平时每次更换新桶时对桶口进行消毒，用刚煮沸的开水冲洗一下饮水机的内胆及管道，也能起到一定的消毒和清洁作用。3.饮水机应放置于避光处，避免阳光直晒，以减少桶内绿藻生成的机会。

The barreled drinking water should be drunk in 7 days and drink hot water as much as possible 3 days after the opening of the barreled drinking water. Water exchange on Monday can avoid the peak of bacterial propagation. When the number of people in the office or home is less than 3 people, it is best to choose 11 liters of small packing water. 2., wash and disinfect the water dispensers every 1 months. It is best to wash and disinfect in half a month in summer. The new water dispensers should be thoroughly cleaned before disinfection. Usually, the bucket mouth is sterilized every time the new bucket is replaced, and the inner liner and pipe of the drinking machine can be cleaned by boiling boiling water, which can also play a certain role of disinfection and cleaning. 3. the water dispenser should be placed in the light to avoid the direct sunlight, in order to reduce the opportunities for the formation of green algae in the bucket.