China is comparatively abundant in geothermal resources. According to the survey made, the geothermal outcrops are about 2,500 in number, located all over 30 provincial, urban, and autonomous regions. The high temperature geothermal resources are used mainly for power generation, while the medium temperature ones, besides being directly used, are utilized in remote areas short of electricity or in areas having special requirements or, further, to suit the local conditions, in small power generating stations with the development of comprehensive utilization as the main purpose. The low temperature geothermal resources are developed mainly for direct uses