The first is that the person who is in pain is the one who is in pain. The actual pain is caused by the dryness of the stool caused by the fire, so you should exercise more, eat more fruits and vegetables, and adjust your mood to improve constipation. 4, ulcerative colitis, the stimulation of the intestinal mucosa damage site when the stool passes through the intestine, the abdominal pain may appear after the stool, it is recommended to go to the hospital to check the stool routine.