Described herein is a structure for supporting a touchpad, including: a frame body having an upper and lower surfaces and an opening, in which the opening including a main edge and an adjacent side edge, wherein the side edge has an indention; a supporting component for supporting the touchpad in the opening, wherein the supporting component has a connecting and an opposite distal ends, and the connecting end connects to a connecting element, which connects to the lower surface adjacent to the main edge, and the supporting component extends toward the upper surface formed an angle with the upper surface, and has a protruding part corresponding to the indention and fitting in the indention; a blocking member disposed on the frame body and blocking the indention; wherein the protruding part is blocked by the blocking member so as to make the distal end lower than the upper surface.