Sun spots on the hands may be caused by the deposition of local skin pigmentation on the hands after the hands are exposed to strong ultraviolet rays. The general treatment methods include oral medication, topical medication, laser treatment and so on. 1. Oral medication: Vitamins can be taken, such as vitamin C chewable tablets, vitamin E soft capsules, etc., which can regulate pigment metabolism, improve microcirculation and skin metabolism, and help to reduce pigmentation in the skin, and play a role in fading sun spots. 2. Topical medication: applying vitamin E ointment, hydroquinone cream, etc. can also play a role in lightening sun spots and inhibiting melanin formation. 3. Laser treatment: laser can act on the skin, use the principle of light and heat to break the pigment particles under the skin, and then be discharged out of the body along with the metabolism of the skin surface cells, so as to get rid of the sun spots. There are many kinds of sun spots on hands, if you need to use medication, you should use medication under the guidance of professional doctors, and when you feel uncomfortable, you should go to regular hospitals in time to avoid adverse consequences.