The generic name of morpholine is domperidone, domperidone does not treat stomach pain, stomach pain when taking domperidone is generally useless, but functional abdominal pain accompanied by abdominal distension can be oral domperidone. Domperidone is a gastric stimulant, can increase gastrointestinal power to promote gastrointestinal peristalsis, promote gastric emptying, also has the role of the treatment of vomiting, functional abdominal pain with abdominal distension can be orally domperidone, but for gastrospasm, gastrointestinal perforation, and so on, has no effect. In terms of adverse reactions, taking domperidone can cause dry mouth, headache, diarrhea, reflux, nausea, drowsiness, dizziness, urticaria, itching and other adverse reactions. It is contraindicated in patients who are allergic to the product and in patients with moderate or severe hepatic insufficiency. Note that domperidone can elevate prolactin levels. Domperidone is mainly metabolized in the liver, so use with caution in patients with hepatic impairment. Patients with stomach pain need to seek medical attention, by the doctor to clarify the cause of the disease to follow the doctor’s instructions for treatment, if the use of domperidone discomfort should be timely consultation and treatment.