1, Aodin red and blue light therapy device efficacy for regulating skin inflammation, improve skin metabolism red blue light irradiation can accelerate skin metabolism, promote the absorption of inflammation, relieve the symptoms of local swelling and pain, in the conditioning stage, but also improve the roughness or dark phenomenon. Red and blue light therapy instrument is divided into red light as well as blue light, red light wavelength is longer, can penetrate deep into the skin tissue, to a certain extent, can kill Propionibacterium acnes, but also to promote the skin collagen fibers newborn, promote cell growth, repair the skin's role. Blue light wavelength is shorter, penetration depth is shallower than red light, can stimulate the local, so that the inflammatory cells faster dissipation, can better promote the local blood circulation, to strengthen the effect of local repair.