Stomach pain after eating melon may be caused by melon stimulating increased secretion of gastric acid, muscle spasm and so on. 1. Gastroparesis is a non-specific symptom, all kinds of causes that can cause gastric mucous membrane damage can lead to gastroparesis symptoms, melon is high in sugar, a large amount of sugar can stimulate gastric acid secretion increase, further stimulate gastric mucous membrane, so that the patient appeared gastroparesis symptoms. 2. Muscle spasm: melon is cold, hard food, difficult to digest, can directly stimulate the stomach, making the stomach muscle spasm, leading to symptoms of stomach pain. Patients eat melon stomach pain, it is recommended to pay attention to diet, avoid cold, hard, stimulating food, pain is more serious timely to the hospital, clear cause of stomach pain, targeted treatment.