The Honghe Site in Qiqihar City,after years of excavation,has provided abundant material on the Neolithic Ang'angxi Culture.A significant human bones discovered during the excavation exhibited missing skulls.This paper introduces these findings and analyzes the implications of Honghe Site's ring trench based on the their relative chronological relationships.Further analysis of the human bones suggests that the missing skulls are likely related to prehistoric headhunting customs.By integrating relevant materials,this paper argues that the headhunting practices at the Honghe Site were influenced by the blood feuds of primitive tribes.