Some of them may be caused by low intake of dietary fiber and water, nervousness, stress, etc. Some of them may be caused by organic diseases such as hemorrhoids, anal fissures, perianal abscesses, proctitis, diaphragmatic paralysis, muscular dystrophy, etc., which make the muscles involved in the defecation process weak and the intestinal tract narrow, resulting in poor defecation process and excessive absorption of water in the body. The stool is excessively absorbed in the body, resulting in the formation of sheep stool.