Cock-eye is by the foot skin in the long-term extrusion, friction after hardening of the cuticle to form a sharp cone-shaped hard, from a scientific point of view, such a small prescription is not scientific, produce the effect is psychological implication. Corns can use corns stickers, more than ten dollars a pair, corns stickers will corrode the stratum corneum, after sticking in accordance with the instructions on the time to tear off can be found adhering to the stratum corneum. Prevention of corns due to wear loose comfortable loose shoes, so that there is no basic conditions for the formation of the stratum corneum, and will not grow corns.