Abstract: This paper takes uranium mining and metallurgy decommissioning places of Yili area in Xinjiang as the object of study, the radiation environmental impact of these places were investigated, include Gamma absorbed dose rate, the radon exhalation rate, as well as the natural radionuclide concentrations in soil and water. It is showed that the pollution in a decommissioning place was grave, need urgent treatment.

Key words: Xinjiang Yili, uranium mining and metallurgy, decommissioning places, radiation environment