When constipation is difficult to defecate, the stool can not be easily discharged can cause abdominal pain, patients can consider checking the mirror examination to further clarify the diagnosis, because itself constipation is more harmful, when constipation can not be discharged toxins in the body will be absorbed by the body, it is very easy to increase the incidence of cancer, especially the incidence of colon cancer, very easy to form colon polyps, colon cancer, so for patients with constipation. If the time is relatively long, it is recommended to do colonoscopy to further exclude. For patients with constipation, long-term failure to relieve the situation is prone to dull complexion and more spots and acne, which are caused by the inability to remove toxins. Constipated patients are also prone to increased cardiovascular and cerebrovascular accidents as well as mental and psychological problems, which can further aggravate constipation.