The present invention relates to a shoe, and more particularly, to an insole for a shoe having a movable massaging member comprising: an insole positioned underneath the sole of the foot a metallic or magnetic securing body joined to the insole, across a partial space in the lengthwise direction a massaging member disposed on the upper or lower surface of the insole and a metallic or magnetic moving body which is joined to the massaging member and is magnetically drawn to the securing body, such that the massaging member is mobile.