By field survey and laboratory analysis on mine wasteland in Gejiu tin deposit in Yunnan Province, the geoaccumulation index was used for heavy metal assessment. Results showed that by the content of heavy metal,the order of the heavy metals was Cd>Mn>Pb>As>Zn>Cu=Fe. The average geoaccumulation indexes of Cd and Mn were above 4.55, which was the highest one among them, and their pollution levelreached 5, which w as betw een intense and very intense pollution. T he average geoaccumulatio n index of Pb was 3.08 and its pollution level reached 4, which belonged to intense pollution. The average geoaccumulation indexes of As and Zn were 2.37 and 1.97 and their pollution levels reached 3 and 2,which belonged to mo derate pollution.The average geoaccumulation indexes of Cu and Fe were less than0,w hich was in no pollution.The measure of forestation was better than agriculture for heavy metal pollution management on the mine wasteland. Combined with the result of heavy metal assessment,the main plants for vegetation restoration w ere given.