Corns are caused by long-term friction and pressure on the feet caused by wearing ill-fitting shoes for a long period of time, walking for a long period of time, and so on, resulting in keratosis pilaris hyperplasia. Chicken eye is a kind of yellowish or dark yellow keratinous hyperplasia appearing on the skin of the foot, which is generally caused by wearing ill-fitting and too tight shoes for a long time, walking or standing for a long time, which increase the pressure and friction of the foot, resulting in the foot skin being subjected to mechanical stimulation for a long period of time, so that keratinous hyperplasia damages appear in the middle of the front part of the palm of the foot, the outer part of the little toes and other parts of the foot to form chicken eye. When the human foot suffers from corns, should actively seek medical treatment, under the guidance of the doctor, daily life, pay attention to wear appropriate shoes, keep the affected area clean and dry, every day can be soaked feet, minimize foot friction.