There are several cases of stomach cramps after eating: 1, stomach diseases: such as gastric perforation, gastric ulcer, gastritis, gastric cancer, etc., the stomach will be continuously stimulated after eating, and stomach pain will appear. In this case, you need to go to the hospital for gastroscopy and actively treat the disease to solve the problem of stomach pain after meals from the root. 2, food intolerance: If the stomach does not respond to certain foods, the stomach will have a rejection reaction to the symptoms of colic after eating. This situation generally does not require treatment, these foods are digested after the stomach colic symptoms will be alleviated, but in the future to avoid eating inappropriate food. 3, food poisoning: If you are not careful in the diet, eat food infected with viruses or bacteria, it will lead to a series of discomfort, such as stomach colic, fever, nausea and vomiting, diarrhea and other symptoms, so you need to go to the hospital immediately and timely treatment.