The invention relates to the technical field of food processing packaging and discloses a food packaging device. The food packaging device comprises a rack, wherein a machine table is arranged on therack; a cutting mechanism is arranged on the machine table; the cutting mechanism comprises a cutter and a base slidably connected to the top of the machine table; the cutter is fixedly connected to the base, and a swing rod is hinged to the base; one end of the swing rod is rotatably connected to the rack, and a chute is formed in the swing rod; a primary gear is rotatably connected to the rack,the primary gear is connected to a power mechanism, an eccentric column is arranged on the primary gear, and the eccentric column is locked and slidably connected in the chute; a cutting table is arranged on the outer side of the machine table, a cutting slot is formed in the cutting table, a runner is arranged in the cutting table on one side of the cutting slot, one end of the runner communicates to the cutting slot, a liquid cavity is formed in the lower part of the cutting table, the liquid cavity is filled with alcohol, one end of the liquid cavity communicates to the runner while the other end of the liquid cavity is slidably connected to a baffle plate, the baffle plate is connected to a pushing mechanism, and the pushing mechanism is connected to the primary gear. The food packaging device provided by the invention can cool the surface of the cutter to prevent scalding.