To provide a user-friendly work table for counseling by making slight modifications on a conventional dental treatment unit.

A dental spittoon apparatus comprises a drainpipe 23 standing rotatably in a water supply and drainage box 7 of a dental rinsing bowl 6, a hollow drainpipe arm 21 extending from the drainpipe 23 in the diametrical direction, the rinsing bowl 6 mounted on the leading end of the arm 21, an arm 22 fixed to the arm 21, and the work table 2 mounted on the leading end of the arm 22. The rinsing bowl 6 and the work table 2 are arranged with a predetermined space therebetween and are integrally turned by rotating a rotary shaft. By rotating the rotary shaft, the rinsing bowl 6 is moved to a rinsing position and the work table 2 is moved to a counseling position.