The utility model relates to an efficient and energy-saving automatic cleaning device for hexafluorophosphate carp packaging barrels. The technical scheme is as follows: a loading manipulator is provided on the left side of the frame, a discharging manipulator is provided on the right side of the frame, a spray washing chamber is provided on the frame, and the spray washing chamber includes a water washing chamber, a water rinsing chamber and a pure water washing chamber. A chain transmission device is provided on the frame, and various liquid tanks are provided on the side of the frame. A wind shear system is provided on the right side of the liquid storage tank. A hot air drying system is provided on the right side of the wind shear system. A second hot air drying system is provided on the right side of the hot air drying system. A condensation defogger is provided on the right side of the second hot air drying system. The beneficial effects of the utility model are as follows: the utility model replaces the traditional manual barrel washing process, making the whole process more efficient and safer. The loading and unloading manipulators and the chain transmission device can effectively avoid manual operation, reduce the safety risk of personnel operation, and save labor.