PURPOSE: Toenable to take an comfortable attitude even in a standing attitude, and add a new way of touching a top plate by providing a lumber support part to support a man in the standing attitude around a waist part at least on one edge of the top plate.

CONSTITUTION: A top plate 3 is provided with an arc-shaped top plate main body 31, and lumber support parts 32, 33 protruded from an inner edge and an outer edge of it. A user A puts his back on the top plate, with a waist part Aa supported by the lumber support part 32, putting an elbow Ab on the top plate 3 properly, so that be can take an easy attitude in the standing attitude. In this case, a second auxiliary top plate 5 is used for putting a coffee cup Ac or the like temporarily. In case of using a table by two men having the auxiliary top plate 5 between them, they can have relaxed conversation without meeting their eyes with each other directly. The user A may also stand facing the top plate 3 with his belly supported by the lumber support part 32, putting the elbow Ab on the top plate 3 properly, so that he is relaxed.