Age spots are also known as seborrheic keratosis. It is a kind of benign epidermal hyperplastic tumor that appears on the skin of the elderly, usually on the face, forehead, back, neck, chest, etc., and sometimes on the upper limbs. Most of them start to grow after the age of 50, and they are mostly found in elderly people, so they are also called “longevity spots”. It is a kind of precursor spot of aging, indicating that the cells have entered the aging stage. After entering old age, cell metabolism decreases and fat in the body is prone to oxidation, producing age pigment. This pigment cannot be discharged from the body, so it is deposited on the cell body, thus forming age spots. According to Chinese medicine, the root cause of age spots is the deficiency of lung qi and the loss of skin couples after entering old age. Modern medicine believes that age spots are mainly due to the weakened cellular metabolism of the elderly, and when too much fat is taken in the diet, oxidation will easily occur and brown pigment will be produced. At present, the main treatment method for age spots is laser treatment. Specific intense pulsed light penetrates the skin and is selectively absorbed by the pigment masses and their blood vessels in the tissue, which destroys and decomposes the pigment masses and pigment cells without damaging the normal skin, thus achieving the purpose of treating age spots. Laser treatment can make the deep collagen fibers and elastic fibers rearrange and restore the elasticity, meanwhile, the function of vascular tissue is enhanced and the circulation is improved. The facial skin wrinkles will be eliminated or reduced, and the pores will be reduced. Laser treatment for age spots has the following advantages: 1. The number of times of laser removal of age spots is relatively small: generally after 1-2 laser treatments for age spots, the effect of other methods can be achieved after multiple treatments. 2.Less impact on skin function: Clinically, it is found that using laser to remove age spots can avoid the side effects of traditional treatment methods on skin. 3. Strong selectivity of laser age spots removal: Although the number of age spots rashes is relatively large, most of them still exist in isolation and do not fuse. Using laser to remove age spots can avoid damage to normal skin to the greatest extent. 4. Laser age spot treatment is safe and does not leave scars after treatment. The treatment process is fast, no bleeding, no special medication is needed after the treatment, just pay attention to keep the treatment area dry and clean, and it will heal in 5-7 days without affecting life and study. Laser can only remove the existing pigment but not prevent its reappearance. Therefore, after the laser treatment of age spots, we should pay attention to take good care according to the doctor’s instruction, such as avoiding sunlight, in order to prevent the occurrence of adverse reactions to the maximum extent.