Burn wounds that take more than 3 weeks to heal are bound to leave different degrees of scarring, which varies greatly depending on the individual, and prevention and control of scarring requires a combination of methods. 1, can apply anti-scar medications, including cumene ointment, etc., the application must be combined with massage techniques. 2.Using silicone products, such as scar paste, scar enemy, etc. to apply the scar externally. 3.Wear a compression sleeve and carry out functional exercises. 4.Eat less spicy food, avoid strong sunlight, and apply vitamin.