Abstract: 【Abstract】 Red, blue, and yellow light therapy is a type of low-level light therapy commonly used in clinical practice. In recent years, with the development of photomedicine technology, safer and more effective red, blue, and yellow light therapy has been promoted and applied in the treatment of acne, androgenetic alopecia, skin wounds, herpes zoster, and other skin diseases. However, there is no unified standardized treatment protocol. In order to improve the efficacy and safety of the red, blue, and yellow light therapy, the Chinese Association of Rehabilitation Dermatology, the Chinese Society of Dermatology, and the Photomedicine Therapeutic Equipment Group, Committee on Skin Disease and Cosmetic Dermatology, China Association of Medical Equipment organized some experts to formulate the consensus based on Chinese and international literature and clinical guidelines, as well as the current clinical practice in China, aiming to propose specific recommendations for the standardized application of red, blue, and yellow light therapy in dermatology, and provide a reference for clinicians.

Key words: Color therapy, Skin diseases, Low-level light therapy, Clinical protocols, Red, blue, and yellow light therapy, Expert consensus