PPH surgery refers to hemorrhoidal circumferential excision, applicable to all types of hemorrhoids, which may recur after surgery. PPH surgery is also known as anastomotic hemorrhoidal mucosal circumcision, the use of pph anal anastomosis, excision of rectal mucosa above the dentate line 2~4 cm, blocking the venous flow of the curette and suspended hemorrhoidal nuclei, cut off the vascular supply of the mucosa, you can retain the anal fall, will be a pathological state of the anorectal canal back to the normal anatomical state. Any hemorrhoid surgery may cause recurrence if no attention is paid to postoperative care. After surgery, you can use warm water sitz bath before going to bed and after defecation, keep the perianal area clean and dry, plain to develop good living habits, avoid staying up all night and laboring, avoid squatting and sitting for a long time, and keep the bowel movement smooth, to avoid the recurrence of hemorrhoids. After surgery, you should also develop good eating habits, eat more fiber-rich foods, such as fresh fruits and vegetables, eat less greasy, spicy, stimulating food, drink more water, appropriate exercise, to prevent constipation and diarrhea. PPH surgery, it is recommended to go to a regular hospital for treatment to avoid recurrence.