Age spots are brown spots of varying sizes that appear on the face, back of hands and other exposed areas of elderly patients, which can be removed by laser, electrocautery, freezing and chemical peeling. 1. Laser: through the principle of selective photothermal destruction of laser, it can purposefully destroy the diseased tissues without affecting the normal tissue structure, so as to achieve the purpose of removing age spots. 2. Electrocautery: It is through the effect of instantaneous heat production of electric needle, which prompts the age spots to coagulate and degenerate, gasify, carbonize and disappear, so as to achieve the effect of removing age spots. After the operation, the local skin may have mild redness and swelling and other adverse reactions. 3. Freezing method: through the low temperature produced by refrigerant, it acts on the age spots, prompting the age spots to be necrotic and fall off, so as to achieve the purpose of treatment. 4. Chemical peeling: chemical peeling drugs are used to destroy the surface layer of the skin, prompting it to scab and fall off, so as to achieve the therapeutic purpose. As the condition of each patient is different, it is necessary to consult the regular hospital in time and carry out reasonable treatment under the guidance of professional doctors.