The home fete ceremony of Man ethnic and the attribute of Samanism are is questioned continuously in recent years by who believe that the Jiasaman does not belong to Samanism.Combine with Samanism theories and the character of the Man ethnic home fete ceremony,we demonstrate the belongings of the home fete ceremony and characters of Jiasaman from angles of the cosmos soul theory,ceremony process,ceremony dress,ceremony content and the ceremony effect,and the forth.