1.The wound will be somewhat painful on the same day, but it will gradually decrease with time. Patients should not rush to take pain relief tablets, because aspirin-like drugs can aggravate wound bleeding; 2. Ensure the cleanliness of the surgical site to prevent infection. If there is blood crust or secretion on the wound, use sterile saline to wipe it; 3. After surgery, you can put pressure on the local wound or use ice bag to apply cold compress, but the pressure should not be high to avoid damaging the surgical site. Once the postoperative bleeding and serious hematoma, should be timely follow-up to the hospital is we must know the jaw angle plastic surgery precautions; 4, plastic surgery precautions require us to seek beauty, there should be a quiet and comfortable environment after surgery recuperation. Avoid weight bearing and thus aggravate the wound swelling; 5, we should pay attention to plastic surgery within 7 days to try to avoid water on the surgical site; 6, avoid eating irritating food. Such as chili peppers; 7, strict compliance with doctor’s orders to take medication and follow-up is also a very important plastic surgery precautions.