Enemas are generally not harmful to the body. Enema usually refers to a certain amount of liquid or gas through the anus will be injected into the liquid in the rectum and inside the colon, can play a role in promoting defecation, relieve intestinal flatulence, cooling, as well as conducive to the role of hygiene and cleanliness in the intestinal tract, etc., enemas have a certain therapeutic effect on constipation, ulcerative colitis and other diseases caused by the discomfort. The human body in the enema, the human body is less damage, or even will not appear harm. If the enema is administered with excessive force or improperly, some pain, etc., may occur. If you feel uncomfortable during the enema, you need to give timely feedback to the operating doctor. In daily life, you should have a scientific and regular work and rest, maintain hygiene and cleanliness around the anus, and eat a reasonable diet with balanced nutrition.