Abstract: Based on the Au grade data of No.163 Vein in the Wulong Gold Deposit,the study uses SPSS software to do statistics and analysis.The results show that Au grade data are characterized by obvious right-skewed distribution,and then normal distribution after logarithm treatment basically;the Au grade of No.163 Vein shows a wave change trend with increasing depth.With geophysical deep interpretation and deep drilling engineering verification,it is confirmed that the deep part has great mineralization potential.