To provide a work bench provided with an easy and functional mechanism when compared with a conventional work bench.

Four corners of a rectangular work flat plate 3 arranged above a support frame 2 are joined with the support frame 2 by pins and are supported by an elevating cylinder device 4 joined with the work flat plate 3 by pins and capable of rising and lowering vertically. Furthermore, an energizing cylinder device 5 capable of stably holding an inclination angle of the elevating cylinder device 4 by abutting on a side face of the elevating cylinder device 4 so as to come into contact with it and leave it is provided. Consequently, a height of the work flat plate 3 can be adjusted to a desired height, and the work flat plate 3 can be adjusted to a desired inclination angle γ for a horizontal face so that the workability of assembly work of fittings A, etc., that is performed by loading them on the work flat plate 3 can be improved.