To provide a lifting device for moving a desk, a counter or the like up and down, which are used in bank counters or the like.

A pair of right and left X-shaped link mechanisms are provided between right/left ends and top plates formed in the right/left sides independently or integrally, the cylinder is inverted and a cylinder pipe of the cylinder is fixed to a rear top board behind the X-shaped link mechanism respectively and the rod tip of the cylinder is respectively fixed to a base of a lifting device, the inner bottom sections between the right/left top plates are connected with the top boards, then, a locking member which fixes the desk, the counter or the like is attached to the top board, or the top board itself is made into a locking member.