There are many reasons for small stomach pain after exertion, the common ones are as follows: First, the reason for bloating pain is usually related to intestinal flatulence, abdominal distension, etc., which is more obvious mainly after eating or full stomach. The second reason for colic is usually related to urinary stones, acute enteritis, intestinal blockage, etc. Usually the pain will be longer and longer, and severe pain will occur in severe cases. Third, the appearance of paroxysmal pain is usually the cause of intestinal cramps, usually after rest or abdominal massage, can relieve the pain. Fourth, the appearance of hidden pain is usually related to inguinal hernia, hiatal hernia, etc., mainly after abdominal exertion, intra-abdominal tissue through the abdominal wall into the subcutaneous, resulting in pain. Fifth, abdominal pain in female patients may also be caused by uterine or ovarian lesions. The pain in the small stomach should not be ignored, you should go to the hospital in time and do a detailed examination to clarify the cause, the doctor will make a comprehensive judgment based on other symptoms of the body, and then through professional examination to finally confirm the diagnosis.