The invention is to provide a switch lamp holder, which comprises: a core, having a switch control element stretched from its lateral and a set of penetrating orifices which are residing at the oblique areas of the core, and joining a hollow chamber at its one end; a cover, having a through hole at its top and a hollow chamber at its bottom to conceal the core with an joint, and having a slot at its lateral to allow the passage of the switch control element; and a positioning plate, offering a set of posts at its top, capable of joining the penetrating orifices, and a set of positioning grooves, for accommodating a set of conducting spring slices, and the conducting spring slices is provided with a connecting cord to extend upward to join said core.