Post-operative hemorrhoidal lumps are mostly considered to be caused by postoperative local edema, scar formation and other etiological factors, and it is generally recommended that they be treated with medication or surgery according to the etiological factors. 1. Postoperative local edema: generally appear in 1 to 2 days after surgery, in addition to edema, patients are often accompanied by trauma pain and other discomfort. It is generally recommended to use hemorrhoid ointment, warm water sitz bath or 1:5000 potassium permanganate solution sitz bath under doctor’s guidance to reduce swelling, inflammation, pain, etc. to improve the discomfort. 2. Scar formation: mostly seen in patients with keloid or poor postoperative wound healing. If the patient has no discomfort symptoms, usually 3-6 months can be softened and absorbed by themselves, if the scar is difficult to absorb and affect the recovery after surgery, it is recommended that surgical excision treatment. If there is a pimple after hemorrhoid surgery, it is recommended that the patient should consult the doctor in time to clarify the cause of the pimple and get the appropriate treatment plan.