This paper mainly investigates and analyzes the current status of water quality(above 200 m3/d)in the rural water supply project of Jiangxi Province，the main sources of pollution，the current status of water source protection，and the technology of water source protection.It proposes current problems in the protection of water sources and improvement of water sources.Protection of relevant suggestions will provide decision-making basis and reference for the protection of water sources in rural areas in the future.