Stretch marks are a type of swelling marks that manifest as atrophic striated skin changes on the chest, abdomen, buttocks and thighs. They appear as dark red or purplish streaks in the early stages, then depigmentation, atrophy, and eventually stabilization with white or silvery streaks. There is no clinical method to completely remove stretch marks, however, stretch marks can be lightened and reduced by the following methods: 1, fractional laser: the principle of action is to induce a healing reaction in the dermis through focal photothermal action, so that the dermis collagen fibers and elastic fibers proliferate and rearrange, collagen orderly deposition, increase the thickness and density of the dermis, improve skin elasticity, and thus improve The treatment is a mechanical wave that generates energy to penetrate the epidermis and reach the target tissue, the lesion absorbs energy, the temperature rises, and the elastic and collagen fibers in the dermis are repaired, which can The effect of the treatment is different from one person to another, so you can try to use it and pay attention not to use it during pregnancy and lactation, but use it after the lactation period is over; 5, surgical treatment: if the stretch marks are accompanied by serious sagging women, surgical removal treatment can be performed.