Megacolon rubbing the stomach can promote defecation, but only play an auxiliary role, the effect is not particularly obvious. When the patient has a megacolon, belonging to the organic lesions, simply rely on rubbing the stomach, can be appropriate to promote gastrointestinal peristalsis, accelerate the discharge of stools, but can only play an auxiliary role. If the patient’s constipation caused by megacolon is more serious, it is recommended that the appropriate combination of drugs to promote gastrointestinal peristalsis, such as lactulose, bifidobacterium bifidum, bacillus boulardii, etc., the effect of simple use of belly rubbing is not obvious. In addition, if the patient has severe abdominal pain caused by megacolon and no bowel movement for a long period of time, it is recommended to have surgery as soon as possible, at this time, tummy rubbing is no longer effective. All of the above medications should be used under the guidance of a doctor, avoid self-medication.