Hemorrhoidal mucosal excision and stapling (PPH) surgery, namely Longo type PPH surgery, the main steps are to excise part of the rectal mucosa, block the blood supply of the dominant hemorrhoidal tissues, the anal cushion is lifted up to reset and excise the damage. 1. Decrease the volume, excise part of the rectal mucosa, so that the prolapsed anal cushion to restore and fix to the anatomical and physiological position, the maximum possible retention of the anal cushion and the integrity of the dentate line. 2. Cut off the flow, block the blood supply to the hemorrhoidal tissue, control the bleeding symptoms while reducing the blood supply to the anal cushion, accelerate the hemorrhoidal tissue atrophy, generally 15-20 days after the hemorrhoidal nucleus gradually atrophy. 3. Suspension, anal cushion lifting reset and excision damage, conducive to the anatomical recovery of the anal canal area and the functional recovery of the pelvic floor muscle groups. The above is basically the process of PPH surgery, the specific operation by the surgical professional doctor.