A wart on the hand can be removed by laser treatment, with the number of treatments varying depending on the size of the lesion. Smaller diameter warts can usually be removed in a single session, but there is a possibility of recurrence. A wart, also known as a common wart, is a benign skin growth caused by a human papilloma virus infection. They are hard-textured papules that are rough to the touch and can persist for long periods of time with occasional tenderness. The most common laser treatment for warts is the carbon dioxide laser treatment, which is a high-energy carbon dioxide laser that acts on the warts, directly carbonizing the local tissues, gasification, so as to achieve the purpose of removing the warts, after the treatment of the local skin may appear the phenomenon of scabs, it should be noted that within a week to avoid touching the wound, so as not to cause skin infection. It is recommended that patients with a desire for treatment go to the dermatology department of a regular hospital in a timely manner and follow the doctor’s instructions to standardize the treatment.