Insole

The invention provides an insole. The insole comprises a half sole part, a foot arch part and a heel part which are connected sequentially, wherein a foot arch air bag corresponding to position and shape of the foot arch is arranged in the foot arch part; an air inflation pipeline with one end communicated with the foot arch air bag is arranged in the heel part, the other end of the air inflation pipeline is an air inflation end and extends out of the side edge of the heel part, and a movable seal structure is arranged at a port in the air inflation end. When the insole is used, the air inflating amount in the foot arch air bag can be automatically adjusted according to the height of the foot arch of a user, so that the most appropriate support can be obtained by patients with flat feet in different degrees, and the treatment effect is improved. 本发明提供了种鞋垫，包括依次连接的前掌部；足弓部，内部设置有与脚的足弓位置和形状对应的足弓气囊；足跟部，在内部设置有与端与所述足弓气囊连通的充气管路，所述充气管路的另端为充气端且延伸出所述足跟部的侧边，在所述充气端的端口处设置有活动密封结构。在发明的鞋垫可以在使用时，根据使用人脚底足弓的高度，自行调整足弓气囊内的充气量，使不同程度