The function of polyethylene glycol, i.e. polyethylene glycol 4000 bulk, is to increase peristalsis of the intestines and stomach and promote defecation, which is mainly used for the treatment of constipation in clinical practice. 1. Role: Polyethylene glycol belongs to a kind of polymer, has a certain degree of water solubility, in medicine can be used as a component of drugs, such as polyethylene glycol 4000 bulk, the drug can effectively improve constipation, promote intestinal peristalsis. 2. Contraindications: Intestinal diseases such as ulcerative colitis, Crohn’s disease, intestinal obstruction, gastrointestinal bleeding and other patients are prohibited. Contraindicated in patients with abdominal pain whose diagnosis is not clear. It is contraindicated in patients who are allergic to the ingredients contained in this drug. Fructose intolerant patients are prohibited. Note: Polyethylene Glycol i.e. Polyethylene Glycol 4000 Bulk should be used under medical supervision. Some patients taking Polyethylene Glycol 4000 may experience abdominal distension, abdominal pain and other discomforts, once the discomfort occurs, the drug should be stopped immediately and seek medical attention.