The utility model provides an automatic package dumpling machine for preparation dumpling class food, including the subassembly that takes shape, but the subassembly that takes shape includes the relative reciprocating motion's who sets up a pair of one -tenth shaped plate, at least one be provided with the crab claw structure on the one -tenth shaped plate, the crab claw structure includes a plurality of crab claws of articulated after a pair of one -tenth shaped plate orientation moves and compresses tightly each other, the extrusion of the relative pivot of a plurality of crab claws is in order to form the protruding muscle of one or more on the dumpling tripe. Through the utility model discloses, the artifical participation is need not in the preparation forming process of dumpling class food, the current manual traditional mode of production mode that the dumpling takes shape of wrapping can be replaced completely. Dumpling class food after taking shape is being similar to the shape that people knuckle push in appearance, has the outward appearance form of high fidelity, more accords with the consumer to the aesthetic partiality of the manual dumpling class food of tradition, and the unique outlook is pleasing to the eye and be convenient for yard box.