The utility model relates to a high-efficiency and energy-saving automatic cleaning device for a hexafluorophosphate packaging barrel, which comprises a loading manipulator on the left side of the frame, the right side of the frame is provided with a feeding manipulator, and the frame is provided with a spraying cavity, which comprises a water washing cavity, a water rinsing cavity and a pure water washing cavity, the right side of the liquid storage tank is provided with a wind-cutting system, the right side of the wind-cutting system is provided with a first hot-air drying system, and the right side of the first hot-air drying system is provided with a second hot-air drying system, the right side of the second hot air drying system is provided with a condensation mist eliminator. The beneficial effect of the utility model is that the traditional manual barrel washing process is replaced by the utility model, and the whole process is more efficient and safer, the use of feeding manipulator and chain transmission device can effectively avoid manual work, reduce the safety risk of personnel operation and save labor.