A bout of abdominal cramps can be caused by a cold abdomen, acute gastroenteritis and intestinal obstruction. 1. Abdominal cold: abdominal cold or strenuous exercise after meals may lead to abdominal cramping. 2. Acute gastroenteritis: it may be due to lack of attention to hygiene in diet, gastrointestinal infection, triggering acute gastroenteritis, resulting in a bout of abdominal cramps. 3. Intestinal obstruction: usually due to intestinal foreign bodies, intussusception, roundworm obstruction and fecal blockage and other factors, when the patient has an intestinal obstruction, can show a bout of abdominal cramps. There are many causes of abdominal cramps, and it is recommended that patients go to the hospital in time for consultation and treatment under the guidance of professional doctors.