Seborrheic keratosis, also clinically known as senile warts, is a benign skin tumor that is prevalent in the elderly. It can be treated by laser or freezing. It is recommended that the patient choose a suitable treatment plan under the guidance of the doctor. 1. Laser treatment: the clinical effect of laser treatment for seborrheic keratosis is relatively good, the principle is to use the photothermal effect to destroy the skin lesion tissue, and it is not easy to leave scars. 2. Cryotherapy: Cryotherapy is suitable for seborrheic keratoses that grow on the trunk, with the advantages of low side effects, small cost, and better clinical results, but usually requires multiple treatments to remove. For patients with seborrheic keratosis, it is recommended to go to regular hospitals for examination and symptomatic treatment under the guidance of professional doctors.