Wart is clinically known as “wart”, laser wart removal is effective, and less traumatic and side effects, in dermatology is more widely used. Laser wart removal mainly adopts the principle of photothermal, the use of high temperature will destroy the tissue. Warts are common warts, flat warts, infectious mollusks, condyloma acuminatum, filiform warts, etc. These warts can be removed by laser. In addition to treating warts, lasers are also effective in treating many skin proliferative diseases such as seborrheic keratosis and pigmented nevi. The common side effects of laser treatment are local skin infection, edema, hyperpigmentation, pigmentation loss and so on. Pregnant women, lactating women, children under two years old, and patients with scarring should not use laser treatment. Some warts are prone to recurrence and may require multiple treatments, which need to be operated by a professional doctor. It is recommended that patients should consult the hospital in time and choose the appropriate treatment under the guidance of the doctor.