Stretch marks are a kind of pathological skin changes during pregnancy, with purplish red or red stripes in the early stage and white stripes in the later stage when the pigmentation disappears. Stretch marks can not be completely eliminated, through medication, physical therapy and other treatments to lighten the stretch marks, play a role in improving the aesthetics. 1. Medication: For early stretch marks, you can cooperate with the doctor to use topical retinoic acid cream or hyaluronic acid, which can improve the symptoms of local stretch marks. 2. Physical therapy: when stretch marks in purple or red period can be used 585nm or 595nm pulsed dye laser treatment, if the stretch marks become white, available fractional laser treatment. Radiofrequency technology can act directly on the dermis, inducing collagen and elastic fiber regeneration, which can improve the symptoms of stretch marks. Stretch marks can not be completely eliminated, it is recommended that patients should do a good job of prevention of stretch marks, stretch marks should be timely medical treatment, and actively cooperate with the doctor to deal with.