The drinking fountains placed in Zixiyuan Community of Zhengzhou are called community automatic water vending machines. Automatic water vending machine is a kind of equipment installed in residential area, which has two functions: centralized automatic water making and automatic water selling. It provides users with pure water to drink for 24 hours. The original intention of the design is to provide international standard drinking water for community residents by using filtration and purification technology. Popular in Europe, America, Japan and South Korea for many years. Covering an area of only 1 m2, it is placed in communities, convenience stores, markets, institutions, schools and other places, giving full play to the advantages of low rent, stable consumer groups and close connections, which is conducive to long-term operation. From coin-operated automatic water vending machines to coin-operated and ic card automatic water vending machines.