To remove acne marks and pits, you need to choose the right method according to the specific situation. The following methods are commonly used clinically for treatment: 1. Newly formed acne marks can be effectively treated by topical application of vitamin C, vitamin E, arbutin gel and other whitening and depigmentation products; 2. Old acne marks can be treated by applying hydroquinone cream, vitamin A acid cream, fruit acids and other products to promote keratin and pigment exfoliation; 3. Newly formed acne marks and pits can Choose freeze-dried powder treatment, the principle is to promote cell growth and accelerate the recovery speed of damaged cells of acne marks and pits; 4. For longer acne pits, choose fractional laser treatment. Fractional laser acne pit removal is a laser that irradiates the area of the face with acne pits, and the resulting photothermal effect can stimulate collagen proliferation to achieve the effect of repairing acne marks and pits; 5. Fruit acid peeling treatment is suitable for superficial but intensive and extensive acne pits. High concentration of fruit acids can peel off the aging keratin layer, accelerate the renewal rate of keratinocytes and upper epidermal cells, and promote the proliferation of elastic fibers in the dermis to solve the problem of acne marks and pits; 6. Local filling treatment, this method is suitable for large and deep acne pits. By injecting collagen by implantation, it induces autologous collagen proliferation and repair, thus elevating the depressed part of acne pits and keeping it flat with the surrounding skin tissue to improve the facial defects.