There are many reasons for abdominal pain in summer, such as diet, weather and other physiological reasons, as well as abdominal diseases, thoracic diseases, and diabetic ketoacidosis and some other diseases. 1. Physiological causes: eating too much cold, spicy stimulation, corruption of food, cold abdomen, weather and other reasons may lead to abdominal pain. 2. Abdominal diseases:Inflammation of abdominal organs, such as acute appendicitis, acute pancreatitis, acute gastroenteritis, etc.; obstruction of abdominal cavity organs, such as intestinal obstruction, intussusception, biliary stones, urinary stones, etc.; rupture of organs, rupture of ectopic pregnancy, rupture of the liver, rupture of the spleen, etc.; peritonitis, mesenteric vascular embolism and so on, all may cause abdominal pain. 3. Thoracic diseases:Acute myocardial infarction, lobar pneumonia, pleurisy and other thoracic diseases may also cause abdominal pain. 4. Other: abdominal allergic purpura, uremia, diabetic ketoacidosis and other diseases can also cause abdominal pain. Summer abdominal pain should be timely to the hospital, identify the causes, under the guidance of the doctor to avoid delay.