Tummy pain, diarrhea can be relieved by eating some easy to digest, protect the gastric mucosa of food and improve dietary hygiene, with medication. Specific methods are as follows: 1, eat some easily digestible food, do not eat too cold, too spicy, greasy, fatty food, the diet should be light; 2, eat more rice porridge, put some salt, can play a role in protecting the mucous membrane of the gastrointestinal tract; 3, pay attention to dietary hygiene, replenishment of fluids to prevent dehydration, electrolyte disorders; 4, excessive bowel movements, you can take montelukast or diarrhea, such as medication assisted 5, if the medicine after the stomach pain continues not to relieve, accompanied by nausea, vomiting, fever and other symptoms, for a long time will lead to the body become weak, can not absorb nutrients well, must pay attention to, timely to the hospital.