A touch module for an electronic device includes a casing, a touch structure and at least one stopping pin. The casing includes an accommodation structure. The accommodation structure is formed on a bottom surface of the casing. The accommodation structure includes an opening. A of the touch structure touchpad is installed in the accommodation structure. There is a horizontal gap between a lateral edge of the touchpad and an inner wall of the accommodation structure. The stopping pin is fixed on the bottom surface of the casing and aligned with a vertical gap of the touch structure. While the touch structure is moved in a first direction or a second direction through the at least one horizontal gap, the stopping pin is inserted into the vertical gap or detached from the vertical gap.