Baoji Stone Mouth Head Late Longshan Era Relics Staging And Related Issues

The Second stage of Keshengzhuang Cultural is a mainly remains of Later Longshan Cultural in Guanzhong Region in shann'xi, it's common divided into two types-Kangjia in east and Shuang'an in West. Being Liminted by archaeological reference of Guanzhong West, the periodization research of several remains in this area becomes more difficult.Shizuitou is the largest site in Guanzhong West of this period, it has been excavated twice in 1985 and 1999 and provided many new reference. Based on the periodization research of this site ,we divided the other sites in this region into two stage and form "the remains of Shizuitou type". Finally, we discuss the source of this remains and the relationship between Kangjia type and the seventh remains of Shizhaocun site.