The invention belongs to the technical field of food processing equipment, and relates to a handheld multifunctional food processing device. The main structure of the handheld multifunctional food processing device comprises a sliding cushion, a barrel body, a vertical shaft, a grinding cutter, a cutting disk, a cutter groove, a splicing cutter, a shredding cutter, a dough kneader, a garlic peeler, a connector, a lower barrel cover, pipe rubber, a copper shaft, a speed-reducing pinion, a speed-reducing gearwheel, a rotary shaft, a barrel cover lower sealing ring, a barrel cover upper sealing ring, a barrel cover, a press-in rod, a speed reducing device, a transmission cover, a feeding hole, a handle, a transmission shaft seat, a power seat, a transmission shaft, a clamping groove, a convex clamp, a transmission shaft hole and a hollow rotary shaft, and functionally comprises a handheld motor, the transmission cover, the barrel body and processing parts, wherein the processing parts comprise the grinding cutter, the cutting disk, the dough kneader and the garlic peeler. The handheld multifunctional food processing device is scientific in design principle, fashion in appearance, mature in preparation technology, easy to use and operate, good in processing effect, high in efficiency, easy to assemble and disassemble, convenient to clean, high in performance, multifunctional, wide in application, environmentally-friendly, safe and reliable.