Abdominal pain may be related to psychological factors, acute gastroenteritis, appendicitis and other factors, as follows: 1. Psychological factors: too much tension and anxiety can cause gastrointestinal dysfunction, which in turn leads to slow gastrointestinal peristalsis, and the accumulation of food in the body can not be emptied in time. Food residues in the body fermentation gas, causing bloating, abdominal pain and other symptoms. 2. Acute gastroenteritis: Acute gastroenteritis can cause intestinal spasms, resulting in abdominal pain and other symptoms. It is also accompanied by diarrhea, nausea, vomiting and other symptoms. 3. Appendicitis: Inflammation will stimulate the peritoneum and cause abdominal pain, which is mainly manifested as metastatic right lower abdominal pain. In addition, stomach perforation, duodenal ulcer and many other diseases may cause abdominal pain. If the symptoms of abdominal pain persist and are accompanied by other symptoms, it is recommended to consult a doctor in time to clarify the cause of the disease and then treat the symptoms.