The outer side of the shoe after walking formed a significant wear indicates that the foot has a tendency to inversion, when the formation of inversion, if relatively mild can be treated with orthopedic brace, through the use of a period of orthopedic brace, so that the inversion of the foot can be completely corrected, and then wear shoes walking will not lead to the outer side of the wear situation. If the shoe is very serious lateral wear, it means that the angle of the inversion deformity is also relatively heavy, at this time through orthopedic treatment may not be effective, and eventually we must consider surgery to solve the foot inversion deformity. By surgically releasing the medial ligaments, tightening the lateral ligaments and improving the inversion, the inversion deformity can eventually be corrected or significantly corrected, and the situation of lateral shoe wear can be minimized.