1.Instead of treating scars, it is better to prevent scars; 2.The more serious the trauma is, the stronger the inflammation reaction is, and the scars formed in the future will be more obvious, such as after burns and serious limb crushing injuries; 3.After trauma, if the wound is repeatedly infected and inflamed, the scars will be more obvious after healing; 4.After surgery, it is better to reduce activities, otherwise it will affect the wound healing and stimulate the scars instead This is the reason why scars at the joints of the limbs are usually more obvious; 5. The younger the skin, the more elastic and tense it is, so the scars produced are thicker, redder, harder, and fade more slowly, while the older people have less obvious scars due to the opposite conditions and relaxed epidermal tension. 6.After surgery, the wound must be well taken care of and the stitches removed at the right time, avoid sun exposure and the use of cosmetics or maintenance products to reduce pigmentation and stimulate the results of scars; 7.To avoid undesirable scars, the post-surgical wound must be properly massaged with pressure, or use a compressive adhesive (such as the most widely used paper tape, or silicone film), but do not use excessive force to crack the wound; 8.The commercially available The actual effect of the advertised products – scar removal creams or secret herbal remedies – has yet to be clinically proven, so please be careful; 9. Scar treatment can beautify uneven or large scars into small, bland and not easily visible scars, but cannot remove them; 10.