A shoe capable of adjusting heel height, comprising: a front bracket; a rear bracket rotatably connected to the front bracket; a telescopic linkage rack pivotally connected to the rear bracket, and configured to be telescoped with the movement of the rear bracket; a telescopic support member fixedly connected to the telescopic linkage rack, and configured to be simultaneously telescoped in the same direction and in the same proportion with the telescoping degree of the telescopic linkage rack; a linking member pivotally connected to the front bracket and the telescopic support member, and arranged spaced to the rear bracket; and a locking mechanism configured to removably fix the telescopic support member for limiting the telescoping of the telescopic support member, characterized in that, the telescopic linkage rack comprises a plurality of first shaft pins and a plurality of second shaft pins; a plurality of first connecting rods that are parallel one another; and a plurality of second connecting rods that are parallel one another, wherein each of the plurality of first connecting rods and each of the plurality of second connecting rods which are adjacent with each other are crossed to be pivotally connected to each other through one of the plurality of first shaft pins, and the plurality of first connecting rods and the plurality of second connecting rods are further pivotally connected to one another with an end-to-end manner through the plurality of second shaft pins, wherein when the plurality of first connecting rods and the plurality of second connecting rods are configured to be rotated to gradually alter gaps between the plurality of first shaft pins from each other, the length of the telescopic linkage rack is correspondingly changed; wherein the rear bracket is pivotally connected to one of the plurality of first connecting rods through one of the plurality of first shaft pins and one of the plurality of second shaft pins, and wherein, when the rear bracket moves the telescopic linkage rack to change the length of the telescopic linkage rack correspondingly, the telescopic linkage rack is moved laterally. a front bracket; a rear bracket rotatably connected to the front bracket; a telescopic linkage rack pivotally connected to the rear bracket, and configured to be telescoped with the movement of the rear bracket; a telescopic support member fixedly connected to the telescopic linkage rack, and configured to be simultaneously telescoped in the same direction and in the same proportion with the telescoping degree of the telescopic linkage rack; a linking member pivotally connected to the front bracket and the telescopic support member, and arranged spaced to the rear bracket; and a locking mechanism configured to removably fix the telescopic support member for limiting the telescoping of the telescopic support member, characterized in that, the telescopic linkage rack comprises a plurality of first shaft pins and a plurality of second shaft pins; a plurality of first connecting rods that are parallel one another; and a plurality of second connecting rods that are parallel one another, wherein each of the plurality of first connecting rods and each of the plurality of second connecting rods which are adjacent with each other are crossed to be pivotally connected to each other through one of the plurality of first shaft pins, and the plurality of first connecting rods and the plurality of second connecting rods are further pivotally connected to one another with an end-to-end manner through the plurality of second shaft pins, wherein when the plurality of first connecting rods and the plurality of second connecting rods are configured to be rotated to gradually alter gaps between the plurality of first shaft pins from each other, the length of the telescopic linkage rack is correspondingly changed; wherein the rear bracket is pivotally connected to one of the plurality of first connecting rods through one of the plurality of first shaft pins and one of the plurality of second shaft pins, and wherein, when the rear bracket moves the telescopic linkage rack to change the length of the telescopic linkage rack correspondingly, the telescopic linkage rack is moved laterally.