The position of the horn is different, and the harm to the body is also different. According to the Book of Changes of Dacheng Guo University, if the horn is in the east, the injured parts are calves, feet and hands. If the horn is in the southeast, the injured parts are thighs and thighs. If the horn is due south, the injured part is the eye, which is easy to operate. If the horn is in the southwest, the injured part is the abdomen. If the angle is due west, the injured part is the mouth. If the angle is in the northeast, the damaged parts are head, nose, spine and bones. If the horn is due north, the injured part is the lower body. The solution is to put a pair of copper Kirin in the position of the diagonal demon or hang a convex mirror or gourd above the window. The gourd absorbs energy and can relieve suffocation.