Surgery to remove lines, open wrinkle surgery incision is from the temporal hairline about 4 cm after the extension of the foot of the ear wheel, and then the front to the edge of the ear screen and then to the earlobe around the cranio-auricular sulcus, through the surgery to extensively peel the facial subcutaneous to the nasolabial folds area, stripping the deeper layers of the myofascial system SMAS (the muscles of expression and the facial ligaments and its fixation of the fat pads of various kinds) upward lifting and suturing the SMAS, on the middle portion of the face, soft tissue uplift, fixation (can include the forehead and neck). The soft tissues of the middle part of the face (including the forehead and neck) are lifted and fixed to improve the appearance of lines and facial soft tissue laxity. There are certain risks in this surgery, as follows: 1. Bleeding and hematoma: most of them appear within 24 hours after surgery, with clinical manifestations of increased pain, fullness, swelling and bruising in the operated area, and swelling of eyelids, lips and ecchymosis of buccal mucous membranes are common; 2. Seroma: secondary to systemic inflammation or parotid gland injury; if it is caused by parotid gland injury, it is necessary to place a negative-pressure drain to keep suctioning, which often lasts for a few weeks; 3. Facial nerve injury: Excessive force of liposuction tube, edema of nerve sheath, excessive electrocoagulation for hemostasis or suture ligature, cut off when separating, etc., can cause facial nerve injury (e.g., difficulty in frowning and ptosis of the corner of the mouth); 4. Infection: generally appearing 4-5 days after the operation, manifested by local redness, swelling, heat and pain, local fluctuating sensation, and pus formation; 5. Skin scabbing and necrosis: complication with a large area of whole skin necrosis is rare, but small area and superficial necrosis occurs from time to time. superficial necrosis occurs from time to time, should avoid excessive flap tension, active prevention and timely treatment of hematoma, etc.; 6, parotid gland injury parotid leakage: mainly peeling the preauricular SMAS when too deep resulting in injury to the parotid gland; 7, others: including baldness, pain, hyperplastic scarring, hyperpigmentation, contact dermatitis, skin perforation, ear displacement and so on.