Cyanidation process generates large amounts of cyanide tailings with complex compositions in gold industry.Based on the source and characteristics of the cyanide tailings,the paper summarizes and analyzes conventional decyanation treatment methods as well as the new efficient and practical decyanation treatment technology appeared in last 10 years,and at the same time,points out the development trend of decyanation technology for cyanide tailings and cyanide utilization as resources.The research provides reference for the research and application of decyanation technology for cyanide tailings and the comprehensive utilization of cyanide as resources.