To provide a liftable table having a simple structure, easy to produce, having a light weight, and being inexpensive.

A liftable table includes at least four thread shaft holding components fixed on the lower surface of a top board, a thread shaft held by the thread shaft holding component and turned about the vertical axis, a nut portion threadedly put on the thread shaft, a fixed legs having an upper end provided with the nut portion, and a device for preventing the fixed leg from being turned relative to the thread shaft. The thread shaft holding component has a part located at a vertical position and having a vertical width corresponding to a driven toothed-pulley or driven sprocket, and the part is cut off on a side meshing with an endless toothed belt or endless chain, so that the endless toothed belt or endless chain is allowed to be mounted on all of the thread shaft holding components having been mounted on the lower surface of the top board.