Hemorrhoids (commonly known as hemorrhoids) is a common disease located in the anal area, any age can be onset, but with age, the incidence rate gradually increased. In China, hemorrhoids are the most common anorectal disease, there are “ten men nine hemorrhoids”, “ten women ten hemorrhoids,” said. There are many triggering factors for hemorrhoids, among which constipation, long-term alcohol consumption, eating a lot of stimulating food and sedentary are the main triggers. Hemorrhoids are divided into internal hemorrhoids, external hemorrhoids, and mixed hemorrhoids according to the different parts of the hemorrhoids. 1, the main manifestation of blood in the stool, the nature of the blood in the stool can be painless, intermittent, fresh blood after the stool, blood dripping during the stool or blood on the handkerchief, constipation, drinking or eating irritating food aggravated. 2, simple internal hemorrhoids painless only swelling feeling, can bleed, development to prolapse, combined with thrombosis, incarceration, infection only when the pain. Asymptomatic hemorrhoids do not need treatment; symptomatic hemorrhoids do not need radical treatment; non-surgical treatment is the main. Surgical treatment: conservative treatment is ineffective, hemorrhoidal prolapse is serious, larger fibrotic internal hemorrhoids, injections and other poor treatment, combined with anal fissure, anal fistula, etc.; PPH surgery anastomotic hemorrhoidal rectal mucosal ring cut and stapling. the mechanism of PPH treatment of prolapsed hemorrhoids: ring resection of the lower end of the rectum 2 ~ 3 cm mucosa and submucosal tissues, to restore the normal anatomical structure, that is, the anal cushion back to the position; the excision of submucosal tissues, blocking the hemorrhoidal arteries of the upper hemorrhoidal artery to the PPH surgery, compared with traditional hemorrhoidectomy, has shorter operation time, less postoperative pain, faster recovery and fewer complications.