Prevention of keloid hyperplasia can be achieved by strengthening personal care, active treatment of wounds, and postoperative wound care. 1. Strengthen personal care: especially keloid patients should minimize the chance of injury, strengthen skin protection with folliculitis, acne and other diseases is to avoid extrusion, avoid blind use of stimulating drugs, medication should be used under the guidance of a professional doctor. 2. active treatment of wounds: trauma patients should seek as much as possible plastic surgeon for debridement suture, and pay attention to surgical asepsis, surgical movements gently, sharp instruments, the use of fine needles and fine line, adhere to the tension-free suture. If deep burns for skin grafting, you should choose the right time for surgery, to help reduce the formation of scar. 3. Post-operative wound care: change the medication on time as prescribed by the doctor after surgery, reduce local friction, avoid sun exposure and eat less stimulating and spicy food. If scar proliferation occurs, you should actively go to a regular hospital and follow the doctor’s instructions to use drugs to inhibit scar proliferation or laser treatment.