Once the stretch marks appear, there is no topical or oral medication that can remove the stretch marks, so the stretch marks should be removed by taking medical beauty measures: first, mesotherapy, that is, micro-needling, rolling needles, hydraluminescence treatment, which is to introduce the collagen promotion drugs into the stretch marks, so that the fibers can grow again to relieve the stretch marks. The second treatment method is the CO2 fractional laser, which is a photothermal effect that allows the skin to grow and reform again to achieve the effect of treating stretch marks.