Laser and freezing are common ways of treating corns, the treatment effect is very good, but the principle of action of the two is different, the therapeutic effect of individual differences, there is no absolute effect of good way. Chicken eye is due to long-term friction or extrusion of the foot and occurs, commonly in the soles of the feet, manifested as a clear boundary, yellowish or dark yellow, conical keratinous embolus, may have pressure pain. It can be removed by removing the causative factors, drug corrosion, laser treatment, cryotherapy, surgery, etc. It can be cured after active treatment, but it is easy to recur. Laser treatment uses the photothermal effect to cauterize the corns tissues, causing the abnormal tissues to fall off; cryotherapy uses liquid nitrogen cryogenic liquid nitrogen to act on the hyperplastic keratinous plugs, causing them to undergo denaturation and necrosis. Both laser treatment and cryotherapy are destructive treatments, and both need to protect the wound clean and dry after treatment to avoid infection, and may require multiple treatments. It is recommended that patients with corns go to regular hospitals in time, choose the best treatment plan under the guidance of specialists to achieve the best treatment effect, and pay attention to the scientific care after treatment.