In the past, the drinking water in the office was mainly in buckets, but it depended on the distribution of water supply staff, and the office would often run out of water waiting for delivery. And also need a person to manage the bucket, contacting distribution, invariably increase the employment costs of enterprises. Drinking water fountain is lack of regular cleaning and disinfection, bacteria breeding in the machine, containers are easily contaminated, employees waiting in line to receive hot water and other inconvenient experience.