This study classifies distinctive peculiarities of cruise interior design which is different from that of structures on the land through the theoretical study on the cruise equipped with functions of hotel and ship. The distinguishing marks are : The first one of the main peculiarities is associated with the International agreement and the safety of passangers and the ship required by the specific regulation. The cruise interior design should be also selectively chosen. The third in comply with the peculiarity of the space plan the base of planning the cruise spaces are as follows : The course of bow and stern the pillar the center line of ship main vertical bulkhead watertight subdivision bulkhead and the deck. The last by special peculiarity of construction materials, materials and products applied for the cruise should meet the regulation of SOLAS and IMCO.