Abstract: Eighty-two sets of adult long bone weight of lower limb in Chinese were measured. The results and conclusions are as follows:
1. There is no statistic side difference between right and left sides in weight of femur or tibia, but the fibula shows significant right dominance probably due to its different function.
2. The weight difference of the two sides greater than one percent being is considered as asymmetry. The majority of cases (76.8-87 .8%) of long bone weight show asymmetry. The right one is heavier than the left one or vice versa.

Key words: Femur; Tibia; Fibula; Bone weight; Asymmetry;