To compact a personal computer desk and to make a floor occupancy area by the personal computer desk small by housing a keyboard table inside a desk main body in the state of bending the second base plate of a bendable base plate downwards.

The keyboard table 3 is constituted of a sliding base 4 freely slidable in a front-to-back direction and the bendable base plate 5 provided with the second base plate 52 hinge-connected to the side edge of a first base plate 51 and the bendable base plate 5 is housed inside a housing space 19 at the lower part of a main body table 2 when the second base plate 52 is in a bent posture state and is made larger than the left-to-right width of the main body table 2 when the second base plate 52 is in a horizontal posture state. Thus, this personal computer desk is compacted in a keyboard table- housed state and a sufficient area is secured on the bendable base plate 5 in the using state of the keyboard table 3.