Skin phototherapy ultraviolet irradiation treatment (NB-UVB, UVA, high-energy ultraviolet) NB-UVB (narrow-spectrum medium-wave ultraviolet) has anti-inflammatory, sterilization, pain relief, etc., and can be used for the treatment of psoriasis, vitiligo, pityriasis rosea, baldness, generalized eczema, nodular itchy rash, pruritus; UVA (long-wave ultraviolet) can also be used for the treatment of scar bumps, which has the advantages of convenient treatment, It has the advantages of easy treatment, good efficacy and few side effects. For small and stubborn lesions, high-energy UV radiation can be used to achieve satisfactory results. Red and blue light treatment Specific wavelengths of light sources have amazing therapeutic effects on the treatment of skin diseases. Red light can penetrate 6mm of skin and is the ideal light source for treating deeper skin lesions, while blue light with 1-2mm skin damage is the ideal light source for treating superficial skin lesions. Combined application of red and blue light treatment has antibacterial, anti-inflammatory and anti-itch effects, and can achieve significant therapeutic effects for mild to moderate acne, seborrheic dermatitis, rosacea and pruritic skin diseases. Photodynamic therapy Using photosensitive drugs, combined with light irradiation to cause local lesion tissues to produce a photodynamic reaction and necrosis, can treat acanthosis, flat warts, common warts, toe warts, basal cell carcinoma, squamous cell carcinoma, acne, rosacea, psoriasis; with the advantages of less treatment times, less pain, low recurrence rate, easy application and other significant advantages. Fractional laser Fractional laser is the most popular skin cosmetic technology in the global skin community in recent years. It is a minimally invasive treatment technique that uses a laser to uniformly punch microscopic holes in the skin, which then causes a series of skin biochemical reactions, and is safe and effective in treating acne, acne scarring and other scarring; eyelids, crow’s feet and other wrinkles around the eyes removal, facial rejuvenation, skin tightening and lifting.