Freckles have a certain relationship with heredity and endocrine, and it is difficult to eradicate them with general drug treatment and beauty freckle removal. For the treatment of freckles, the most effective method is laser freckle. At present, Israel Feidun No.2 polychromatic photometer imported from Wenzhou Tongde Plastic Surgery Hospital breaks pigment spots by laser with fixed wavelength, and then these pigments are swallowed, digested and excreted by their own macrophages, which fundamentally solves the problem of spots without worrying about leaving color precipitation. This freckle removing method from the inside out is one of the most ideal methods in the world at present. Composite color light can stimulate the proliferation and rearrangement of collagen in the skin while removing spots, and achieve the effect of rejuvenation and whitening while removing spots, achieving multiple goals.