The present invention effectively corrected, preventing the abduction of the heel by applying to existing shoes it is possible, to provide a low-cost heel brace and socks for heel correction in a very simple. A heel orthodontic appliances, when worn the shoe, and a heel brace for wearing by inserting between the upper leather inner and Kakato-gai aspect, the silicon on the substrate 11 having an elastic is to provide a long-convex body 10 made of a cross section substantially semi-cylindrical rubber, the top of the Nagatotsu-tai 10 during wear is held so as to press the bottom of the lateral malleolus surface of the fibula in the lower Kakato-gai side. Heel orthodontic socks, a cross-section substantially semi-cylindrical length convex portion 10 made of silicon rubber a sock that is provided on the inner surface of the heel outer portion, the top portion of the Nagatotsu-tai 10 during wear, fibula lower end in Kakato-gai side Configure the to press the lower portion of the lateral malleolus surface.BACKGROUND 2【課題】既存の靴に適用することで踵の外転を効果的に矯正・防止できる、ごく簡易で低コストな踵矯正装具及び踵矯正用靴下を提供する。【解決手段】踵矯正装具は、靴の着用時に、甲革内面と踵外側面との間に挿入して装用する踵矯正装具であって、弾性を有する基材11上にシリコンゴム製の断面略蒲鉾状の長凸体10を設けてなり、装用時には長凸体10の頂部が、踵外側面において腓骨下端の外果面の下部を押圧するように保持される。踵矯正用靴下は、シリコンゴム製の断面略蒲鉾状の長凸部10を踵外側部の内面に設けてなる靴下であって、装用時には長凸体10の頂部が、踵外側面において腓骨下端の外果面の下部を押圧するように構成する。【選択図】図2