It is a kind of to be made with soft material long lasting for the foot arch straightening insole used, and include a flat part, a lower concave part, arch, a medial support portion and a lateral branch support part on one. Hou interval before the lower concave part and the flat part. On this between arch connection what flat part and the lower concave part, and including arch face on one. The medial support portion and the outside-supporting portion are separately connected two opposite sides of what arch and the lower concave part on this, and match with arch on this and define one or so the first hatching line extended. First hatching line, which has, to be connected to each other and curvature is respectively 25 ~ 35mm-1And 45 ~ 55mm-1One section first in line segment and one section of first middle conductor. The flat part of the utility model is for toe storing, and the utility model is soft and suitable what movement, and there is specially designed curved configuration can reinforce support force, and quite frivolous.一種可長時間持續使用的足弓矯正鞋墊，以柔軟的材質製成，並包含一平板部、一下凹部、一上拱部、一內側支撐部，以及一外側支撐部。該下凹部與該平板部前後間隔。該上拱部連接於該平板部及該下凹部間，且包括一上拱面。該內側支撐部與該外側支撐部分別連接於該上拱部與該下凹部的兩相反側，並與該上拱部相配合界定出一左右延伸的第一剖線。該第一剖線具有彼此連接且曲率分別為25~35mm-1及45~55mm-1的一段第一內線段及一段第一中線段。本新型的該平板部可供腳趾置放，且本新型柔軟而適於運動，並具有經特殊設計的彎曲構造可加強支撐力，且相當輕薄。
