Constipation is a common disease caused by a variety of reasons, long-term constipation in the stool will cause anal pain, if not treated in a timely manner, can also cause anal and rectal diseases, because constipation makes the stool too dry, forceful defecation is easy to damage the anal canal, resulting in anal fissure, in the long run also easy to form or aggravate hemorrhoids, resulting in pain and bleeding in the anus when defecating. The feces can not be discharged in time in the intestinal tract, stay in the intestinal canal for too long, easily lead to the accumulation of toxins in the intestine, absorbed by the capillaries of the intestinal wall, will have a certain impact on endocrine, such as facial darkness, acne, can also cause women’s menstrual disorders and other symptoms.