Picoseconds can remove most spots, but due to individual differences, some patients require multiple treatments to achieve satisfactory results. Picosecond laser is a laser with picosecond-level pulse width that destroys pigments deposited in the skin and has the effect of stimulating subcutaneous collagen. Picosecond spot removal is mainly adapted to tattoos, melanin deposition, dark circles and pigmentation, etc. It has better treatment effect on nevus of Ota, coffee spot, zygomatic brownish-bronze nevus, freckle, age spot and all kinds of stubborn pigmented lesions. However, due to the different conditions of each person, not everyone has good results of picosecond spot removal, and some patients need to undergo multiple treatments to achieve the purpose of removing spots. For patients who need to undergo picosecond spot removal, it is recommended to go to local regular hospitals for consultation and cooperate with doctors for standardized treatment. After the operation, you need to pay attention to care and sun protection.