The definition of hangover is not recognized in medicine. The main way to completely clear up the hangover or to promote the discharge of stool is to take general treatment, medication and so on. To promote defecation, we must develop good eating habits, regular meals and small meals, do not overeat, eat more vegetables and fruits, increase the intake of dietary fiber, can promote defecation. And usually should do more activities, to avoid slowing down the bowel movement, can also promote the discharge of persistent feces. But if defecation is more difficult, it may be caused by the dryness of the stool, you can take appropriate laxative medication can use Keseru, or take polyethylene glycol electrolyte bulk, lactulose and other treatments. But long-term chronic constipation patients are not recommended to use stimulating laxatives, such as compound aloe vera capsule, Ma Ren soft capsule and so on. Patients must be guided by a doctor when using medication, and should not use medication arbitrarily, especially not to use some health products arbitrarily.