Laser can remove spots, but you need to pay attention to the post-treatment care after the treatment. Laser spot removal is a commonly used clinical method to remove spots, and its principle is to use specific wavelength of laser to selectively act on melanin in the spot area, and it will send out huge energy in an instant to smash melanin particles, and then be discharged out of the body through phagocytosis of macrophage cells along with metabolism, so as to achieve the purpose of fading away the pigmented spots. Laser spot removal can be used to remove coffee spots, freckles, nevus of Ota and brownish green spots, etc. After the treatment, it is necessary to strictly protect the sun, so as not to stimulate the ultraviolet rays, which will lead to the darkening of the skin. Laser treatment is not recommended for people with keloid body, which may form scar hyperplasia; it is prohibited for pregnant women and people with light allergy. To summarize, laser can remove spots, but patients should go to the dermatology department of regular hospitals, and strictly follow the doctor’s instructions for scientific care after treatment.