PSV face lift surgery is a minimally invasive anti-aging technique, which may cause facial nerve injury, difficulty in opening the mouth, skin swelling and pain and other sequelae if not properly operated. 1. Facial nerve injury: Generally speaking, temporary facial nerve palsy is caused by the pulling or swelling of the wound during the surgery, and will slowly recover in 2~3 months after the surgery. Permanent facial nerve injury is mostly related to jawbone surgery, the chance of occurrence is very low, and can be avoided through intraoral incision. 2. Difficulty in opening the mouth: after the surgery, there may be swelling of the chewing muscles or swelling of the wound, which may cause difficulty in opening the mouth, and it will slowly recover after the swelling subsides, usually taking two weeks. 3. Skin swelling and pain: common in non-invasive surgery, mainly acoustic photoelectricity, after the operation may appear skin swelling and pain, can last about half an hour, and even last 1 to 3 days in serious cases. In addition to this, PSV face lift surgery may also cause discomfort such as wound bleeding, infection, and hyperpigmentation. If you want to have PSV face lift surgery, it is recommended to go to a regular hospital and under the operation of a professional doctor to avoid the occurrence of undesirable situations.