According to Fraser's anthropological point of view, Eerie and blood dripping Blood Shehuo, as an unique example in Shaanxi province even the national,it's theoretical roots was from the profanation of Fertility rituals and the way of Symbol the world of Sympathetic magic. The text, Respectively, from blasphemy and symbolic, reveals the culture of Blood Shehuo,and further explores its psychological roots of fear and carnival.