Inevitably, people are injured throughout their lives. But after a traumatic injury, unless it is particularly minor, there are always scars left behind. When a child is injured and left with a scar, parents often feel guilty for the rest of their lives. When is the best time to treat the scars so that the best treatment period is not missed? How can I make the scars grow lighter? How to make the scars blurrier? Let’s take a look at how advanced medical treatments will reduce the proliferation of scars after trauma, reduce the disability rate of scars and improve their appearance. Revolution in preventive treatment methods The preventive treatment of scarring is evolving from a single medication plus compression with elastic bandage to an integrated program of medication, compression, photoelectricity and injection. Traditional early prophylactic treatment consisted only of anti-scar medication after removal of the stitches and scabs and wearing elastic bandages if necessary. It usually takes 1-2 summers or even longer to wait for the scar to stabilize before repairing it depending on the degree of hyperplasia. Nowadays, with the continuous introduction of advanced technologies, treatments such as Plasma, spike CO2 laser, and dye laser can be started 2-4 weeks after the injury to control scar proliferation as soon as possible and reduce the deformity caused by scars later. Early photoelectric prophylaxis of scars has achieved very satisfactory results in clinical practice, and the degree of inhibition of scar proliferation is much stronger than traditional medication and compression therapy. For early depressed scars, plasma ion beam treatment can also induce flattening. Early interventional treatment with photoelectricity can greatly reduce the difficulty of treating later scars, and even some scar patients do not need any further treatment later after early interventional treatment. Therefore, prevention of scars is much more important than treatment, and parents should seize this best period.