The present invention relates to a method for manufacturing plant-based meat with artificial muscle fiber inserted therein. The method for manufacturing plant-based meat with artificial muscle fiber inserted therein, according to an embodiment of the present invention, comprises: a step of preparing an artificial muscle fiber composition by mixing alginic acid, carrageenan, and glucomannan in distilled water (S100); and a step of injecting the artificial muscle fiber composition into an inner nozzle of a 3D printer having double nozzles in which the inner nozzle is inserted inside an outer nozzle, injecting a vegetable protein composition into the outer nozzle, and then conducting 3D printing (S200).