PURPOSE: To provide a kitchen unit, which can be decomposed so as to facilitate the transportation thereof to a place to be fitted and which can easily be assembled at the construction place.

CONSTITUTION: This kitchen unit is formed of a sink cabinet S, a back plate B and a door unit T. The sink cabinet S is formed of a work top 1 provided with a gas table setting port (gh), side plates 2, and a bottom plate 3, and the sink cabinet S is opened in the front part and the rear part thereof. The back plate B closes the rear part of the sink cabinet S, and the door unit T, in which doors T1 are fitted to a door frame T2 freely to be opened and closed, is fitted to the front part of the sink cabinet S.