Elderly warts can be removed by both laser and freezing. Laser and freezing are chosen based on the size and location of the warts. Warts that are too large, such as plantar warts and common warts, can be removed by freezing. The advantage of freezing warts is that the damage is small, the disadvantage is that some of the warts can not be completely removed at one time, may need a second treatment. 1. laser wart removal: usually with carbon dioxide laser to destroy the warts, light spot is smaller, can be directed, the role of the skin in the treatment of the site more accurate, and has the function of electrocoagulation, can play a role in stopping bleeding. It’s a good idea to use a laser to treat warts that are visible to the naked eye, such as flat warts on the face, neck, waist, back and other parts of the body, as well as common warts, condyloma acuminatum, and a small number of plantar warts. 2. Freezing to remove the warts: the use of liquid nitrogen low temperature will remove the warts. It is also applicable to several parts of the body of flat warts, plantar warts, condyloma acuminatum, infectious molluscum contagiosum, seborrheic keratosis, verrucous nevus and some other benign skin diseases. However, the possibility of scarring after improper post-treatment care is greater than that of CO2 laser. It is recommended that patients who are willing to be treated go to a regular medical institution to avoid adverse consequences.