The invention discloses a mincing and bagging machine. The mincing and bagging machine comprises a cylindrical collecting box, wherein the collecting box is placed transversely; four supporting legs are arranged on the surface of the outer side of the lower end of the collecting box; a funnel-shaped collecting opening is formed in the upper end of the collecting box; bearings are respectively arranged on two opposite circular surfaces in the collecting box; a rotating shaft is inserted in each bearing; a spiral reamer fixedly sleeves each rotating shaft; a rotary motor is fixedly mounted on an outer circular surface of one end of the collecting box; a rotating end of the rotary motor is fixedly connected with one end of each rotating shaft; a cylinder is fixedly mounted below the rotary motor; a retractable end of the cylinder is fixedly connected with a pushing block; a circular convex opening is formed in a surface which is opposite to a surface with the rotary motor; a screen is inlaid in the circular convex opening; a plastic thermal forming device is arranged on one side of the circular convex opening; and a controller is arranged on the outer surface of the collecting box. The mincing and bagging machine has the beneficial effect of simple structure and high practicality.