Good long in the foot corns scientific name "callus", is due to bone and joint hyperplasia protrusion, leading to the corresponding skin soft tissue hyperplasia and thickening, in the friction and extrusion due to ischemia and hypoxia and necrosis of the formation of a very hard texture of the lesion tissue. Foot long corns, walking adjacent tissues due to pressure and pain, when the shoes are too hard and tight by the pressure will also be painful. Against corns, the old way of digging out with a sharp knife, with a laser burn, due to the failure to find the real cause of corns, after digging out and long, can not break the root. Moreover, if you pull out the corns yourself or ask someone to do it on the street, it is often infected due to unhygienic tools or injury to normal tissues. The minimally invasive foot surgery technology, in digging out the corns at the same time, the use of special tools will be the proliferation of bony protuberance grinding flat, lifting the root of the corns, after the treatment is not easy to recur.