Photorefractive spot removal is generally not more harmful, has less side effects, and is relatively mild with less reaction after treatment. Therefore, lighter level spots or easily treatable spots are mostly inclined to choose photon treatment. After photorefractive treatment, slight redness and swelling will appear on the face, and the redness and swelling will disappear within 1-3 days, and scabs will start to form, no special treatment is needed, ice packs can be used to accelerate the disappearance of redness and swelling. 7 days later, the scabs will basically form, and some of the scabs that have not fallen off will fall off completely after 2 weeks, do not pick with your hands during this period, let the scabs fall off by themselves to avoid leaving scars. 1 month or so, the spots will gradually become lighter. The treatment effect of photon spot removal varies from person to person and is divided into the following categories: 1. Patients with freckles, age spots, sun spots, uneven facial pigmentation, especially combined with red blood or superficial wrinkles, can be treated with photon pulse intense light, and the effect is more ideal; 2. Patients with dermal spots, nevus of Ota and deeper tattoos, photon treatment has no obvious effect; 3. Patients with melasma, the effect of photon treatment is relatively not very sure, and treatment should be cautiously, so as not to lead to the aggravation of melasma.