On the basis of 1:50,000 regional geological surveying data for Zhongfeng Commune map area and Bailichun map area, 2080 rock samples were systema tically collected and then 22 elements were determined by means of semiquan titative spectral analysis. The distribution of trace elements in granites of dif ferent epochs and stages was studied and the evalution was made for ore po-teDtiality of these granites.