Green exploration is an advanced exploration idea and a belief; which is a systematic project for speeding up the construction of ecological civilization. It can be realized by integrate innovation, comprehensive analysis and several techniques. With the case of a plateau ecological fragile region, Ruoergai uranium ore field in Sichuan Province, this paper introduces the technical methods of “drilling instead of trenching”, “multi-holes at one position and multi-branches in one hole”, “green mud and purification treatment”, “portable equipment and tools”, which can reduce the disturbance and impact to the environment, and the existing problems are discussed.