The 308nm laser wavelength is 308nm, the main scope of application is inflammatory skin diseases, pigmented skin diseases. The most classic scope of application is vitiligo treatment. The 308nm laser is the most effective treatment for inflammatory skin diseases such as folliculitis, psoriasis, pityriasis, boils and chronic ulcers. 308nm laser is mainly in the medium wave ultraviolet wavelength, and its most important effects are immunomodulatory effects, promotion of epithelial keratinization, promotion of local The most important effects are immunomodulation, promotion of epithelial keratinization, promotion of local blood circulation, promotion of epithelial growth, etc. The laser is used clinically to treat the above skin diseases.