Laser treatment for keratosis pilaris includes fractional laser and photorejuvenation. Fractional laser penetrates directly into the dermis, vaporizes the tissues at the wrinkles or scars in an instant, and then initiates a series of skin reactions such as tissue repair and collagen rearrangement, thus achieving the effect of skin rejuvenation and tightening, lightening the pigmentation and fading the keratosis pilaris caused by keratosis pilaris. Photorejuvenation can also improve the skin lesions caused by keratosis pilaris, penetrating into the deeper layers of the skin, selectively acting on the subcutaneous pigment particles or blood vessels, breaking down pigmentation, closing the abnormal capillaries, while photons also stimulate the proliferation of subcutaneous collagen. The first-line treatment for keratosis pilaris is emollients and topical exfoliators containing lactic acid or salicylic acid, the second-line treatment is topical retinoids, and laser treatment is a third-line adjuvant therapy that enhances the effect. And often need multiple treatments to significantly improve, so patients need to be patient during treatment, and scientific care after treatment. The medication should be used according to the doctor’s prescription. The treatment of keratosis pilaris is recommended to regular medical institutions, the specific treatment plan needs to be individualized by a professional doctor according to the actual situation of the patient.