The reason for this is that there are many reasons: 1. Chronic enteritis may be caused by chronic enteritis, which is also a multiple disease with recurring characteristics, there will be diarrhea, abdominal pain, unpleasant stools and many other symptoms, most of which are directly related to physical weakness and low resistance. 2. In addition to this, it may also be caused by an imbalance between the spleen and stomach or indigestion, when the stool is not formed. The phenomenon of darkness will also be evident. You can consider dietary regimen, choose more warm food that can easily promote digestion, you should also pay attention to abdominal warmth, you can choose to eat more terry rice, carrots and other foods with the effect of strengthening the spleen and dispel dampness. If the situation is serious, you can also choose medication, such as Si Jun Zi Tang or Ginseng and Bai Zhu San, but you must consult your doctor when taking medication.