Expansion lines can be lightened, not eliminated, through topical medications and physical therapy. 1. Topical application of drugs: women with swelling lines can be treated with retinoic acid ointment and cumulonimbus ointment under medical advice, which mainly increase the content of skin fibers in the swelling lines and achieve the effect of improving the appearance of swelling lines. It is beneficial to promote the division of skin tissue and promote the proliferation of epidermis. 2. Physical therapy: The principle of laser expansion lines is that the specific wavelength produced by the laser reaches the deep dermal layer of the skin, and then stimulates collagen to remove the expansion lines on the skin. In addition, if the swelling lines caused by Cushing’s syndrome, you also need to actively treat the primary disease, control the body’s hormone levels. If the swelling lines are caused by obesity, moderate physical exercise is needed to control weight. When swelling lines occur, it is important to treat them early and choose the right way to improve them under the guidance of your doctor. Drugs need to be used in accordance with medical advice.