Tungsten resources prospecting of Hunan Province which is stage achievement of project “National Mineral resource potential assessment”, is under the guild of metallogenic series theory, and by synthesis the data of basic geological information, regional metallogenic regularity, geophysical survey, geochemical anomaly, natural heavy-minerals analysis and remote sensing interpretation information, while the GIS technology is also used. The key tungsten exploration targets of Hunan province is pointed out by using the information of ore-forming background, tungsten deposits types and resource forecast. 19 prospecting targets in Hunan Province are submitted, while the Zixing-Chenzhou area is the most potential area.