Abstract: Weihe basin is just located in the interjunction of many tectonic systems,where present many multi-faults.Thus the tectonic systems have controlled basement tectonics of Weihe basin and geothermal resources.Based on the regional geological,hydrogeological,geophysical and geochemical prospecting and geothermal information,the forming background and bearing conditions,laws and features of thermal underground water are analysed,which will be the bases of further research,exploration and development of the thermal underground water in Weihe basin.