Eating sheep’s blood does not usually cause constipation, constipation is considered to be related to dietary factors, insufficient exercise, and organic lesions of the intestinal tract. Sheep blood is the blood of animals, is a common blood product in life. Sheep blood is rich in nutrients, containing serum albumin, hemoglobin, fibrin, serum globulin, is a high protein food. Sheep blood contains cholesterol, phospholipids and other lipids, as well as inorganic salts, sugar, and other nutrients. After ingesting sheep’s blood into the human body, it is easier to be digested and absorbed, and generally does not lead to gastrointestinal peristalsis slows down. Therefore, eating sheep’s blood will not cause constipation. Constipation is considered to be related to a variety of factors, such as insufficient intake of fresh fruits and vegetables, dietary fiber foods, reduced exercise, taking antihistamines, antidiarrheal, antidepressant drugs, intestinal polyps and tumors, which may cause constipation. In summary, eating sheep’s blood generally does not cause constipation. It is recommended that patients with constipation increase the amount of exercise, eat more fresh vegetables and fruits, and if necessary, go to the gastroenterology department of the hospital to find out whether it is related to pathological factors. Also combined with the doctor’s advice, for the primary disease treatment.