Water resources data involves a wide range of objects.Continuous business-oriented software leads to having one's own system of user and data.There are many problems，such as data from multisources，difficulties in sharing，especially for new applications，and different entrances for applications.In order to solve these problems，this paper proposes a data maintenance model with areas，departments and authorities，and constructs a whole set of sharing systembased on Microservices，which provides a reference for the whole process of data fromproduction to consumption．