For adults who need to remove coffee spots, Q-switched laser and Intense Pulsed Light (IPL) are mostly used in clinical practice. 1. Intense pulsed light: it is photon therapy, which is a kind of intense light emitted in a pulsed way, and can make melanin absorb light energy and be broken and discharged from the body by setting the corresponding parameter, so as to make the coffee spots lighten and disappear, with little damage, and is now more commonly used in clinical practice. 2. Q-switched laser: following the principle of selective photothermal effect, it can release huge pulse energy and instantly shatter melanin vesicles, thus making the epidermal melanin particles rapidly vaporized and broken, and it can also be used for removing coffee spots, and it generally does not leave any scar, but the efficacy of individual variations is large. Coffee spot is a common pigmentation skin disease, generally no treatment is needed, but if it is located in the exposed parts of the skin, affecting the aesthetics, it can be removed by the above methods, and those who need to remove it are recommended to go to the regular medical institutions, and listen to the physician’s advice to choose the appropriate treatment plan according to their own specific conditions.