The advantage of laser treatment for filiform warts is that it removes the warts, the disadvantage is that it does not achieve a cure. Filiform warts are usually caused by human papilloma virus infection. 1. The advantage of the laser treatment of filiform warts is that it is mainly through the carbon dioxide laser, ionized cauterization treatment, so as to destroy the base of the filiform warts, so as to make the filiform warts from the skin off, to remove the filiform warts of the therapeutic purpose. The base of the filiform wart is relatively small, so it is easy to remove, and it is not easy to leave a scar after removal. 2. Cons: Laser treatment alone cannot remove the human papilloma virus from the epithelial cells. When the patient’s immunity is low, the residual human papilloma virus will continue to divide and proliferate, and the filiform warts will grow again after a period of time. Therefore, laser treatment can remove filiform warts, but can not achieve the effect of the root cause. Patients who have filiform warts should actively go to the regular medical institutions, and under the guidance of professional doctors for standardized treatment.