Age spots, also known as seborrheic keratosis, are prevalent in middle-aged and older adults and are due to benign epidermal hyperplasia caused by proliferation of keratin-forming cells. The ointment for removing it includes 40% hydrogen peroxide solution, zinc nitrate compound solution and so on. 1. 40% hydrogen peroxide solution: the effect of clinical use is relatively good. After a course of treatment, some of the lesions can be completely eliminated and most of the lesions are improved. There is a little redness and burning sensation, but it is safer than liquid freezing and has less pigmentation. 2. Zinc nitrate compound liquid: apply it on the skin lesions to make them white or yellow, use it every other week until the skin lesions are completely recovered, most of the patients are still effective. Age spots can be removed by carbon dioxide laser, liquid nitrogen freezing, erbium laser, scraping or surgery. All of the above medications should be used under the guidance of a doctor. It is recommended that patients consult a doctor in time and standardize the treatment under the doctor’s guidance.