If electrotherapy is not repaired, it will affect the skin condition, and there will be adverse reactions such as redness, swelling and pain, which will affect the treatment effect. Photoelectric therapy is to achieve the therapeutic purpose through selective photothermal action. In the course of treatment, the damage to the skin can be controlled, and the skin can also activate collagen regeneration through photothermal action and reconstruction after injury, improve skin quality and pigment, and make the skin thicker and younger.