Fractional laser, skin resurfacing, micro-needling, filler and so on are the repair methods for chickenpox depressed scars. 1. Fractional laser: the most commonly used laser is carbon dioxide laser, which can stimulate tissue regeneration in the local depressed area, and the effect is relatively significant, but there will be pain, pigmentation, infection and other risks. 2. Dermabrasion: through mechanical grinding of epidermis or dermis, it can rebuild the collagen of dermal papilla, but there are adverse reactions such as pain, scarring and pigmentation change. 3. Micro-needling: It can improve the appearance and promote collagen production, and there is no serious adverse reaction after treatment with strict sun protection. 4. Fillers: stimulate collagen regeneration at the same time will fill the depression, commonly used material is hyaluronic acid, common adverse reactions are infection, pain, lumps, swelling, abscess. If you need to repair chickenpox depressed scars, it is recommended that you go to a regular medical institution and have a specialist provide you with a suitable treatment plan.