Degree IV hemorrhoids can be treated conservatively, instrumentally and surgically. 1. Conservative treatment: adjusting dietary structure, consuming enough liquid and dietary fiber, forming good eating habits can improve hemorrhoid symptoms and reduce bleeding. Warm water sitz bath and warm water spray can improve the symptoms of pain and burning sensation after hemorrhoidectomy. Lactulose and other laxatives, purified micronized flavonoid ingredients (citrus flavonoid tablets) and other medications may also improve symptoms. 2. Instrumental treatment: patients who are unwilling to undergo surgery or have contraindications to surgery for degree IV hemorrhoids can choose to block the blood supply of internal hemorrhoids by adhesive ring ligation, so that the foci of ischemia and necrosis, and fall off; or injections of hypertonic dextrose, and other injection therapies to make hemorrhoids vascular occlusion, hemorrhoids, hemorrhoids, hemorrhoids, atrophy, and to stop the bleeding. 3. Surgical treatment: Ⅳ degree belongs to the more serious hemorrhoids can be considered for surgical treatment, can choose the traditional hemorrhoidectomy, or micro-innovative surgical therapy anastomosis hemorrhoidal circumcision and other surgical styles. It is recommended that patients with degree IV hemorrhoids go to the hospital as soon as possible, consult a specialist, and choose the appropriate treatment according to their condition and personal wishes.