Abstract: Glycerol enema, mainly composed of glycerol, sorbitol, and magnesium sulfate, was a kind of OCT caccagogue. The application of convenience, low prices made it used widely in patients with constipation. However, if the drug should not follow the indications and application of Methods , a series of improper consequences will be caused. The authors reviewed the application of Glycerol Enema, rectal injury and rectal ulcer in patients with constipation.

Key words: glycerol enema, constipation, rectal injury, rectal ulcer, review