An elevating mechanism includes a base member, a first movable member, a second movable member, a first magnetic member, and a second magnetic member, the first movable member is movably disposed on the base member, the second movable member is movably disposed on the base member, the first magnetic member disposed on the first movable member, the second magnetic member corresponds to the first magnetic member and is disposed on the second movable member, when the second movable member is in a holding position, the first magnetic member and the second magnetic member are attracted to each other.