Picosecond laser spot removal scabs usually fall off in about 7-10 days, which will be different due to the treatment method, the type of spots and the variability of the human body, and cannot be generalized. Picosecond laser spot removal is the use of laser light with a pulse width of picoseconds for the treatment of pigmented spots, generally used in the treatment of freckles, age spots and other pigmented diseases, compared with the traditional treatment of spot removal, the effect is more significant, and it can be used to remove the effect in a short period of time, while it will not injure the normal human body tissues, and it should be carried out under the guidance of a professional doctor, and follow the doctor’s instructions. It is important to note that after the picosecond laser spot removal, it is necessary to pay attention to skin moisturizing, strict sun protection, to avoid causing skin damage, and at the same time, do not use your hands to pick after the scab, try to remove the scab naturally. If uncomfortable symptoms occur during the recovery process, you should go to the hospital in time to avoid dealing with it at home by yourself, which will cause adverse consequences.