Corrective insoles: the importance of the structure of the human foot is very complex, from 28 bones, and on the combination of muscles, tendons and ligaments, and each one foot shape, ligament relaxation degree is different also, custom of orthopedic insoles radian or soft hard to reach agreement with both feet, like to wear myopia glasses myopia patients, although myopia cannot be cured, but glasses to protect eyes. Corrective insoles for the degree of flat, a foot soft tissue thickness to the most close to the required support and orthodontic force, after wearing the centralizer ankle, adjusting force line of lower limb, walking can reduce joint strain rate, relieve muscle fatigue and pain. In 3 – corrective insoles design principle: children 14 years of age, arch bone is in puberty, arch is the golden period of formation, if shoes inappropriate or too obesity and poor posture, muscle, ligament is a normal development of bones and the flat feet, eight, after foot inside and outside, X leg and foot disease, gait correction of bones of children shoes, corrective insoles from the body’s biological mechanics principle, the arch science retainer, conducive to the normal development of muscle, ligaments, bones, and help children healthy growth. Correct shoes custom-made center, affiliated to the ( Beijing) Science and technology co. , LTD. , trademark ROKAB as its registered trademark. Ankle orthopaedic centre, is wholly owned by Canada, an professional ankle orthopaedic institute affiliated to the Rokab group, focusing on the ankle orthopaedic field in recent 40 years; Beginning in 2008 foot diseases of orthopedic work in Beijing, for all kinds of foot disease patients to provide professional personalized orthopedic scheme.