Proctitis enemas are usually reserved enemas, which should not exceed 200ml. Retention enema can be used for the treatment of intestinal infections, so patients with proctitis need enema is usually considered for retention enema, retention enema requires the amount of liquid should not be more than 200 ml, the need to retain the liquid for more than one hour, usually at night before sleep retention enema is appropriate. It is important to note that retention enemas are not recommended for patients after rectal, anal, or colonic surgery, or for patients with fecal incontinence. It is recommended that a bowel movement be performed or a defecatory enema be given prior to the retention enema, to aid in the absorption of the medication. Patients with proctitis who require enemas should cooperate with their healthcare provider in the procedure.