Abstract: In order to solve the problems faced by the intelligent management of the water supply pipeline in Datong coal group,in this paper,the design idea of the “one map' 'platform of the water supply pipeline was put forward,the key issues were analyzed and researched such as the data standard specification,the collaborative update of water supply pipeline geographic data and attribute data,the map service publication and sharing,and the“one map" solution was formed for the current water supply pipeline management of Datong coal group. The comprehensive supervision system of water supply pipeline was developed,and the application effect was remar kable.