The utility model provides a multifunctional art knife belongs to hand cutting tool technical field. It has been solved current art designer's sword and has used inconvenient problem. This multifunctional art knife, its characterized in that includes: a pedestal, the base epirelief is equipped with the spliced pole, the cover is equipped with the torsional spring on the spliced pole, an upper cover, the upper cover is detained and is established on the base, upper cover and torsion spring connect, last cover to run through install the knob, the knob is connected on the spliced pole, the knife rest, the knife rest cunning is established on the base, install the blade on the knife rest, the take -up has the extension spring between knife rest and the base, promotes the knife rest, and the blade loosens the knife rest outside stretching out the base, in the automatic base of retracting of blade. The utility model has the advantages of convenient, the automatic withdrawal of cutting.