The present disclosure provides a touch module, a manufacturing method thereof, and a touch display device. The touch module includes: a base substrate; an array of touch units arranged on the base substrate, each touch unit including a first touch electrode extending along a first direction and two second touch electrodes arranged on two sides of the first touch electrode along a second direction, the first direction and the second direction intersecting each other; wherein, the touch unit further includes: a bridging region between the two second touch electrodes, a boundary region between the first touch electrode and each of the second touch electrodes, and a main body region located inside at least one of the first touch electrode and the second touch electrodes. The bridging region, the boundary region and the main body region all include cutting openings.