Underground hot water is a new type of environmental protection energy. Compared with coal resources, it is not only environmentally friendly, clean and less polluting, but also a kind of renewable energy. In recent years, with the improvement of people's living standards, the quality of life and the concept of survival change, geothermal energy more and more popular with the people, geothermal development, medical and health care (bath), heating, tourism and real estate development at an organi