(Except for this occasion, farmers restrained from eating beef because of the animal's importance as a beast of burden, and the belief that eating beef would decrease a person's yang element, causing them to see ghosts.) In one legend, a cow rose to the sky to become a star.
穀物神「牽牛」，與桑神「織女」七夕相會的哀怨故事，也是結合了大地農耕信仰的崇拜而來的天文神話傳說。老一輩的人甚至認為牛乃天上的星宿，不可任意殺食，否則人的魁光會逐漸消失，容易見到鬼。