Photorejuvenation is recommended to be done 1-3 times a year can be done, due to different personal circumstances, can not be generalized. Photorejuvenation is the use of continuous intense pulsed light technology, different wavelengths of light can be respectively on melanin, hemoglobin and other target substances to act on the photo-aging skin pores, pigmentation, redness, fine lines and other poor appearance to improve. Photorejuvenation can be used as a daily medical care program for the skin, and it is recommended to do it regularly for the first time for 3-5 times with an interval of 1 month each time; after that, it can be done for 1-3 times a year to consolidate the effect, and the number of times can be adjusted according to the state of one’s own skin, so as to maintain a better skin condition in the long run. After photorejuvenation treatment, it is necessary to strictly protect the sun, strengthen the hydration and moisturizing care. For those who have the need for photorejuvenation, it is recommended to go to regular hospitals and take treatment measures under the guidance of doctors.