The scientific name of morpholine is domperidone, which is a peripheral dopamine receptor antagonist, through this inhibition can achieve four effects: first, the most obvious is to promote smooth muscle peristalsis in the gastrointestinal tract, speed up gastric emptying and help digestion, and at the same time have an analgesic effect; second, coordinate the movement of the pylorus to treat vomiting; third, can control the movement of the esophageal wall to treat GERD and reflux esophagitis; fourth, most people tend to ignore that this drug can also promote the secretion of prolactin, which can be used to treat women with inadequate milk production; Fourthly, what most people tend to ignore is that this drug can also promote the secretion of lactogen, which can be used to treat the lack of milk secretion in women after giving birth. At the same time, this drug may be allergic to some people, so people with allergies are not allowed to use it.