In the Northern Wei Dynasty Yang Xuan- zhi's "Luo Yang Qie Lan Ji" and the Tang Dynasty Zheng Huai-Gu's "Bo Yi Zhi" are recorded in the folk tales, Use the blood to entertain guests, this is the remains of ancient blood sacrifice ceremony. Nowadays, the cultural meaning of the study is about the following: (1). A folk customs drink blood can be disaster. (2). In ancient strengthen the ambition by the blood. (3). Strengthen the oath or curse of binding. (4). Strengthen the power of witchcraft (5). Pray for the ritual of the gods. (6). Crack the power of magic. (7). To show the support of religious devotion. (8). Taoism refining elixir of the drug cited.