Postoperative edema after hemorrhoidal external stripping and internal ligation surgery is mostly congestive edema or inflammatory edema. Antibacterial medications, sitz baths for swelling and pain relief (to eliminate swelling and pain), and other treatments are considered. External peeling and internal ligation is a common procedure for the treatment of mixed hemorrhoids, and postoperative edema is a common complication. Due to surgical trauma or severe inflammation, the sympathetic nerve is stimulated, resulting in vasodilation, congestion, and the formation of congestive edema; at the same time, the wound is open, and a large number of inflammatory cells are gathered in the wound, which induces an inflammatory immune response and the formation of inflammatory edema. It is recommended that the patient should be under the guidance of the doctor, postoperative routine application of cefaclor, amoxicillin, levofloxacin and other antibiotics to prevent infection; at the same time, combined with traditional Chinese medicine or 1:5000 potassium permanganate solution sitz bath, to achieve the activation of blood circulation and remove blood stasis (to promote blood flow, eliminating the stasis of blood in the body), clean and disinfect the body, reduce swelling and relieve pain of the purpose of the treatment. Patients should consult the doctor in time if there is any discomfort, and the medicine should be applied under the doctor’s guidance to avoid delaying the condition by self-medication.