Dark spots on the legs of the elderly require careful observation of the appearance of the dark spots in order to determine how they are formed. If the dark spots are simple pigmentation, touching with hands and skin flat considered to be pigmentation spots, with skin aging, often in contact with oxygen after the formation of the reduction reaction. You can choose to take vitamin C orally and apply hydroquinone cream locally for treatment, the effect is very good. If the dark spots on the legs of the elderly are accompanied by strong itching and there is obvious keratinization-like change on the surface of the dark spots when touched with hands, you can choose to use tretinoin neomycin paste with fluticasone propionate cream for treatment. If the dark spots growing on the legs have obvious protrusions without pain or itching and are symmetrically distributed, it is considered seborrheic keratosis, and you can choose to use freezing to remove it, which may be recurrent and cannot be completely cured.