In order to provide an aircraft galley which is equipped with a sink structure ensuring a work space for crews in a galley and a wide drainage region, an aircraft galley unit according to the present invention includes a hot and cold water supply system, a sink structure, and a work table, wherein the sink structure is formed of a double structure including a first sink in which a portion of the work table is formed as a recessed portion, and a box-shaped second sink provided above the first sink.