Abstract: There is a long history to develop gold placer in Altai Mountains. The history can be divide into five period：from the third century B. C. to 91 B C. ；from the fifth century A. D.； from 1915 A. D. to 1944 A. D；from 1944 A. D. to the 1980s. We wish that the natural resources and environment could be protected well in the developing.