To provide a kitchen knife having no floating pattern on a surface of an edge thereof and able to be specified for a use thereof without confirmation of the edge as the kitchen knife is held in a holder thereof.

All or a part of a shape of a core is formed into a shape displaying food to be prepared with the kitchen knife, e.g. meat such as beef, pork or others or vegetables such as a carrot, onion or the like. A handle covering the core is formed with a material through which the inside is visualized, so that the shape of the core is visualized.