Remove light brown birthmarks clinically common coffee spot, pigmented nevus, pigmented hairy epidermal nevus, the treatment method has liquid nitrogen freezing, laser treatment, surgical treatment, according to the specific circumstances to choose the appropriate treatment method. Coffee spots can be removed by q-tuned laser, commonly used wavelengths are 532nm, 694nm and 755nm lasers, most of the effects are exact. Pigmented nevus, the effect of laser treatment is not particularly ideal, it is recommended to use surgery to remove. Pigmented nevus of hairy epidermis also has light brown skin lesions, which are characterized by heavy hair on the skin lesions and tiny pimples, and this situation requires a combination of hair removal and q-tuning laser to treat. For light brown birthmarks, it is recommended that patients go to the regular hospital in time, according to clinical manifestations, the exact diagnosis to choose the appropriate treatment.