Hemorrhoids are a common disease in anorectal surgery, with a high incidence of 30% to 50%, and the folk saying “nine hemorrhoids in ten people”. The main manifestations of hemorrhoids are bleeding stools, prolapsed hemorrhoids, perianal pain, anal itching, etc., causing general discomfort and pain, which seriously affects the quality of life of patients. The traditional surgical treatment for hemorrhoids is to remove the hemorrhoid nucleus by external peeling and internal ligation, but the post-operative pain and certain recurrence rate brought about by the traditional surgical treatment, especially important is the removal of the anal cushion more or less, resulting in many patients with varying degrees of incontinence after surgery. In recent years, our anorectal (hernia) surgery department has successfully introduced and carried out the suprahemorrhoidal mucosal circumferential hemorrhoidectomy (PPH), which represents the leading international level today, with less pain, less bleeding, quicker recovery, shorter hospital stay, and does not affect daily life. The revolution.