Kua Huqiao Site is located in Chengxiang Street, Xianghu Village, Xiaoshan County, Zhejiang Province with the site center at 30°16’N, 120°08’E. By applying random selection method, the six unit statistics data of skeleton unearthed were collected, the total number of observated specimens is 387 pieces. The results show that there are artificial transformations among the bone surface traces from this site. Observation of bone surface microscratch such as positional selection of decomposition and cutting and positional selection of decomposition and cutting against animal body at Kua Huqiao Site, shows that slaughter and processing skills of coastal residents from Southeast China in the Neolithic Age, has close technical relations with those in the Paleolithic Age by origin.