(1) Laser: including combined treatment with CO2 laser and Q-switched emerald laser, YAG laser, pulsed intense light and fractional laser. (2) Microdermabrasion. (3) Chemical peel. (4) Cryotherapy. (5) Photodynamic therapy. (6) Medical skin care products: use medical skin care products with moisturizing, anti-inflammatory and anti-allergy effects; use sunscreen throughout any treatment method at the same time.