1. Gastrointestinal dysfunction. Constipation, fecal retention, absorption of harmful substances can cause gastrointestinal dysfunction caused loss of appetite, abdominal distension, belching, mouth pain, flatus more other symptoms.

2. Affect brain function. Constipation metabolites long stagnation in the digestive tract, the role of bacteria produce large amounts of harmful substances, such as methane, phenol, ammonia and other substances that are partially diffuse into the central nervous system and interfere with brain function, outstanding performance is memory loss, distraction, thinking retardation.

3. Formed stool ulcers. Harder fecal oppression so narrow lumen of the intestine and pelvic surrounding structures, hindering the expansion of the colon, rectum or colon pressure and formed stool ulcers, severe cases can cause intestinal perforation.