The invention discloses a multifunctional table knife, which comprises a grip and a knife body, wherein the grip is connected with the knife body through a pivot; an illumination element is arranged on the grip; the grip comprises a first grip, a second grip and a safety retaining ring; the second grip is arranged in parallel with the first grip at an interval, and a clamping groove is formed in one end of the second grip; one end of the safety retaining ring is connected with the first grip through a shaft, and the other end of the safety retaining ring is buckled with the clamping groove of the second grip; a smooth and dull knife point is arranged on the front end part of the knife body; the front and rear half sections of one side of the knife body form a straight knife edge and a saw tooth-shaped knife edge respectively; a measurement part is arranged on the other side of the knife body. The multifunctional table knife is simple in structure and convenient to use; the knife body can be folded and locked, so that the safety is improved; the multifunctional table knife can be conveniently used under a low light condition, and can be used for a harder object.