Disclosed by the present disclosure are a touch module and a driving method therefor, and a touch display device. The touch module has a touch area and a non-touch area. The touch module comprises: touch signal lines extending from the touch area to the non-touch area, and n data selection units connected to the touch signal lines extending to the non-touch area; each data selection unit is connected to m touch signal lines; each of the data selection units comprise m switching transistors and one data selection line, each switching transistor is in one to one correspondence with one touch signal line, control terminals of the switching transistors are connected to level signal lines that provide time-sharing driving level signals respectively, first terminals of the switching transistors are connected to corresponding touch signal lines respectively, and second terminals of the switching transistors are each connected to the data selection lines.