There are many things to pay attention to before plastic surgery, including: 1. Choose regular hospitals and doctors; 2. Understand the risks and sequelae of surgery; 3. Do a good job of preoperative examination; 4. Take the medicine on time according to the doctor's advice; 5. Pay attention to rest after operation, avoid strenuous exercise and prevent local bleeding and swelling; 6. Maintain nutrition, have a light diet, do not eat seafood, and do not drink alcohol; 7. Prevent infection and keep the operating area clean and dry; 8. Change dressing and remove stitches after operation.