Abstract: Rural drinking water safety project is a very larger project.How to improve efficiency of project management is main problem in operation and management of rural drinking water safety project.At present，water conservancy informatization has become development direction.Through establishment of rural drinking water safety engineering database，combined with characteristics of engineering spatial distribution，introduction of GIS technology，and application of object programming method，assessment system for rural drinking water safety project was developed.Using fuzzy comprehensive evaluation model to evaluate project，combination of project evaluation and GIS was realized for the first time，which facilitated operation and management of rural drinking water safety project.Application practice showed that the system has strong operability and reliable evaluation conclusion，which could be extended to other cities and counties in project management.