”Acne, also known as acne, is a chronic inflammatory disease of the sebaceous glands of the hair follicles that is common during adolescence. Because of its chronic course and persistence, it has a significant impact on the physical and mental development of adolescents. Oral and topical medications used in traditional treatment are not effective in the long term due to side effects and bacterial resistance. Red and blue light acne treatment instrument. Due to the application of a large number of new technologies, this device is at a world advanced level in the physical light treatment of acne. This treatment instrument uses LED high-brightness light-emitting diodes to produce high-intensity, uniform energy density blue and red light, which irradiate the skin lesions and use the photodynamic principle to produce single-linear oxygen, effectively killing Propionibacterium acnes and achieving the purpose of treating acne. It also promotes the proliferation of dermal collagen fibers, effectively treating the red marks and depressed scars left behind by acne. Inflammatory acne with red papules and pustules as the main manifestation of clinical acne, generally after 4 weeks of continuous treatment, the lesions can basically subside. Therefore, acne patients who use their holidays to focus on acne treatment can achieve very satisfactory results, so that they can put in a new year of work and study with more enthusiasm and a more perfect image. Due to the unique treatment mechanism of the treatment instrument, there is no drug resistance in the treatment, and there are no side effects of traditional medication, the efficacy is exact and long-lasting, providing a new type of “acne” weapon for the majority of “acne” patients in our city.