The utility model provides a driving device for a vehicle. By means of the driving device for the vehicle, the external attack which causes failure of a driven target object is more difficult to happen. The driving device for the vehicle is provided with a rolling cylinder (11), a bearing part (2) and a cover part (30). The rolling cylinder (11) is driven to rotate by a drive source and wound by a rope part which is connected with the driven target object in a hanging mode. The bearing part (2) is provided with a containing part (20) which is provided with a bottom wall part (23) and a peripheral wall part (21). The bottom wall part (23) covers the end face (11b) of one side of the axis direction of the rolling cylinder (11) and the peripheral wall part (21) is erected on the bottom wall part (23) and covers a side face (11a) of the rolling cylinder (11). The containing part (20) can contain the rolling cylinder (11) in a rotation mode and the cover part (30) is installed on the bearing part (2) and covers the opened end of the containing part (20).