To provide a sink cabinet including a sink in which various kinds of items generated during or after cooking can be contained while preventing deterioration of work efficiency.

The sink 4 (sink cabinet 3) includes a lowest layer space zone S4, usable as a containing zone for pots, bowls, baskets, etc., used during cooking, and placed to be washed, food temporarily placed to be cooked or dished, dishes to be used, and/or unnecessary matter such as garbage generated by cooking. Space zones S1-S3 other than the lowest layer one, or space zones above a reference surface 13d are mainly used for work space (cooking space).