The uses of intra-anal intubation are generally to assist in the treatment of prostate, relief of intestinal obstruction and exhaustion. 1. Assisting in the treatment of prostate: Intra-anal cannula is usually inserted through the anus, and then some medicines are introduced to soak the prostate gland, so as to improve the prostate gland tissue, which is helpful in the treatment of prostate gland diseases, but not a complete treatment. 2. Relieve intestinal obstruction: anal intubation is often used to relieve intestinal obstruction, from the anal intubation into the large intestine so that it can be discharged intestinal feces, in order to reduce gastrointestinal pressure and thus alleviate the patient’s symptoms. 3. Exhaustion: after hemorrhoid surgery will be filled with gauze in the anus to achieve the role of hemostasis, and the gauze will affect the normal exhaust, in the anus tube can play the role of exhaust. It is recommended that patients use it correctly under the guidance of a professional doctor to avoid other effects.