If the spots on the legs are not painful or itchy, you need to carefully observe the color and appearance of the spots. 1, if the spots on the legs are brown, mildly raised on the skin surface, touching with keratosis-like changes, consider seborrheic keratosis, mainly formed after skin aging and excessive ultraviolet radiation, you can use freezing treatment, you can also choose to use laser removal. 2, if the whole spots are red blood spots, raised on the skin, and