Abstract: Wet gold extraction technology is widely used in gold production because of its advantages such as mature technology,high adaptability and low energy consumption compared with fire extraction.In this paper,the mechanism of gold extraction technology such as cyanidation method,thiourea method,chlorination method,thiosulfate method,polysulfide method and lime sulfur method is introduced,their advantages and disadvantages are analyzed,the development history and current application status of wet gold extraction technology are summarized,and the development of wet gold extraction technology is prospected.