In this paper,the mechanism of biological metallurgy technology,commonly used metallurgical micro-organisms and the classification of biological metallurgy technology are introduced.The application of biological metallurgy technology in the gold industry and the main technical types of biological stirring oxidation process and biological heap oxidation process are summarized,the research status of biological oxidation pretreatment of high arsenic,high impurity gold concentrate,and electronic waste resources,as well as the purification and utilization of oxidation solution are introduced emphatically,the future key research directions of biometallurgical technology are pointed out,providing a basis for better promotion and application of biometallurgical technology in the gold field.