Inflammation of the intestinal tract is mainly due to constipation, food irritation and inflammatory diseases of the intestine, such as Crohn’s disease and ulcerative colitis, resulting in a series of symptoms due to decreased digestive and absorption capacity of the intestine and bleeding and edema of the mucosa of the intestine. The main symptoms are as follows: a. epigastric fullness, nausea, vomiting, acid reflux, belching; b. abdominal fullness and discomfort, abdominal pain or paroxysmal colic; c. changes in stool characteristics, the common ones include increased frequency of stools, thinning of stools, or thinning and shapeless, watery stools and blood in stools. Systemic symptoms, mainly including fever, wasting, and weakness, etc.