It has a very ideal treatment effect on internal hemorrhoids, mixed hemorrhoids, ring hemorrhoids, severe hemorrhoid prolapse, prolapse, etc. The pph minimally invasive painless technique for prolapsed hemorrhoids, i.e. stage II, III, IV internal hemorrhoids or mixed hemorrhoids mainly internal hemorrhoids, has obvious advantages in the treatment of prolapsed hemorrhoids such as less trauma, faster recovery and less recurrence. pph minimally invasive technique, which uses a special surgical instrument of “pph anastomosis”, effectively treats rectal prolapse by circumferential excision of rectal mucosa and submucosa tissue. It is especially suitable for middle-aged and elderly people, white-collar people who pay attention to efficiency, patients who have relapsed from traditional treatment, and patients with mild prolapse and internal prolapse of rectal mucosa.