Abstract: Contaminated problem of farmland in Yunnan provincewas acute,on the basis of summarizing the experience of risk control and prevention of agricultural land polluted by heavy metals in China,this paper sorted out the problems and challenges faced by the issues of agricultural land pollution prevention and control,and discussed the risk control countermeasures of agricultural land polluted by heavy metals,so as to provide suggestions for the risk control of agricultural land polluted by heavy metals in Yunnan Province.