The utility model provides a kind of 3D food printer, comprise food material container, described food material container is arranged at machine frame inside, the below of this food material container has discharging opening down, and the below of this discharging opening is provided with print platform, food material container or print platform connect three-D displacement mobile device.The surrounding of described discharging opening is provided with the outlet of annular cold wind, and its air inlet one end passes into compressed air by vortex tube.The inside of described food material container is inserted with screw rod from top to bottom, and described screw rod connects raw material stepper motor.Described three-D displacement mobile device comprises the X-direction stepper motor and X-direction slide rail, Y-direction stepper motor and Y-direction slide rail and the Z-direction stepper motor vertically arranged and Z-direction slide rail that arrange in the horizontal direction.The 3D food printer that the utility model provides can be shaping rapidly the food material of liquid state, keeps manufactured goods external form, uses food to go out three-dimensional manufactured goods as file printing.