Age spots are pigmented skin diseases caused by long-term sun exposure and ageing, which reduce the function of human body. Therefore, the following methods are mainly used to remove age spots clinically: 1. laser treatment, laser can remove age spots through photothermal effect. 2. liquid nitrogen freezing treatment, liquid nitrogen freezing treatment is to use extreme low temperature to make local cells necrotic and fall off, so as to remove age spots. 3. ointment application, topical application of corrosive drugs, such as fluorouracil cream, can make local skin tissue fall off to achieve the treatment effect. 4. 4.Surgical removal, you can go to the dermatological surgery department or cosmetic surgery department to remove the age spots directly.