Abdominal pain may be caused by mental factors, catching cold, digestive system diseases, urinary system diseases, gynecological diseases and so on. 1. Mental factors: excessive mental tension and anxiety, causing autonomic nerve disorders, abdominal pain can occur. 2. Cold: not pay attention to abdominal warmth, abdominal cold caused by gastrointestinal smooth muscle contraction spasms leading to abdominal pain. 3. Digestive system diseases: such as functional dyspepsia, acute gastroenteritis, gastric ulcer, chronic gastritis, cholecystitis, hepatitis, appendicitis and so on can also cause abdominal pain symptoms. 4. Urological diseases: such as acute cystitis, ureteral stones, kidney stones, etc. can cause abdominal pain. 5. Gynecological diseases: ectopic pregnancy, female pelvic inflammatory disease can also cause abdominal pain. There are many reasons for abdominal pain, it is recommended to consult a doctor in time to identify the cause of the disease and follow the doctor’s instructions for treatment.