Objective To measure the body weight and weight of major organs in wild adult tree shrews，and calculate the organ coefficient. Methods Sixty wild adult tree shrews (35 male and 25 female) were chosen，and the body weight and the weight of 11 organs were determined，then the organ coefficients were calculated. Finally the data were statistically analyzed. Results Between female and male tree shrews，the heart and lung weights showed a very significant difference (P < 0. 01) and the difference of weight of brain，adrenal gland and pancreas was significant ( P < 0. 05) ，the coefficient of the adrenal and pancreas had very significant difference ( P < 0. 01 ) and the difference of heart，lung and kidney was significant (P < 0. 05) . The growth of major organs of animal community was in a good harmony determined through the analysis of Kendall coefficients. Conclusions Significant sex differences exist in the weights of heart，lung，brain，adrenal gland，pancreas，and coefficients of adrenal gland，pancreas，heart，lung，kidney between female and male wild adult tree shrews.