The utility model discloses a flour injection molding device for mooncake production contains a bottom plate, a cartoner, an operating means, a power device and a feed arrangement, a bottom plate topinstallation cartoner, just a bottom plate top installation power device, power device one side connect an operating means, operating means below be equipped with a feed arrangement, cartoner constitute by the flourishing magazine of a carousel and a plurality of, carousel top installation a plurality of flourishing magazine, flourishing magazine top be equipped with a feed inlet, power device constitute by a reciprocal seat and a notes stub bar, reciprocal seat one side below installation no. 1 the notes stub bar, just reciprocal seat one side connect one through a transfer line power device.The device can realize the accurate and automatic injection dress box shaping of flour, and overall structure is simple for the device, and the practicality is extremely strong, the production efficiency of the moon cake of increase.