Hidden pain in the intestines should be referred to as hidden pain in the stomach, which can be seen in the digestive system diseases, urinary system diseases, etc., and women can also be seen in the reproductive system diseases. 1. Digestive system diseases: such as acute and chronic gastritis, acute enteritis, acute cholecystitis, acute appendicitis, biliary stones, ischemic enteropathy, duodenitis, tuberculous peritonitis, ulcerative colitis, etc., can cause vague pain in the stomach. 2. Urinary system diseases: such as kidney stones, ureteral stones, acute pyelonephritis, cystitis, etc., can also cause vague pain in the stomach. 3. Diseases of the reproductive system: such as ovarian cysts, ectopic pregnancy, endometriosis, endometritis, etc., can also cause vague pain in the stomach. There are many other causes of vague pain in the stomach, which should be taken seriously, consult the doctor in time to find out the cause of the disease, and follow the doctor’s advice for further treatment or therapy.