The utility model relates to the technical field of split charging devices. The purple rice weighing and sub-packaging device comprises a weighing device and a sub-packaging device, including a base,walking wheels are fixedly mounted at the four corners of the bottom wall of the base correspondingly. A bearing table is fixedly arranged at the top of the base. A packaging bag sleeve is fixedly arranged at the top of the bearing table; racks are fixedly connected to the top walls of the left end and the right end of the base; wherein the top of the rack is fixedly connected with a main body; acontrol panel is fixedly arranged in the middle of the outer wall of the front surface of the main body; a bin door is connected to the outer wall of the back surface of the main body through hinges;a storage battery is fixedly mounted on the left side in the main body; an electronic weighing device is fixedly arranged in the middle of the interior of the main body; a weighing cylinder is fixedlyarranged at the top of the electronic weighing device, a sliding table is fixedly arranged at the bottom end of the interior of the weighing cylinder, a discharging guide pipe is fixedly arranged atthe bottom end of the outer wall of the right side of the weighing cylinder, and the device is scientific and reasonable in overall structure, convenient and rapid to control and use and simple in principle and has certain use value and popularization value.