Acid resurfacing can generally remove superficial spots, not deep spots. Acid brushing, that is, the use of professional concentration of fruit acid, salicylic acid and other weak acids with exfoliating properties, externally applied to the face. Generally can play a role in promoting the effect of rapid exfoliation of aging skin horny layer, prompting the skin’s metabolic process, for the epidermal spots to play a certain role in lightening. It can also eliminate oil and dirt in the pores to improve the skin condition. Superficial epidermal spots are usually freckles, age spots, sun spots and so on. During the period of removing spots, it is necessary to pay attention to warm water to wash the face, not to use stimulating facial cleanser or skin care products; regular work and rest, strict sun protection, etc.. In addition, patients who are willing to be treated are recommended to go to regular medical institutions and brush acid under the correct operation of specialized doctors to avoid adverse consequences.