The invention discloses a torpedo ladle manual cover opening and closing device which comprises a base, a support, a swing rail, a sliding support and a ladle cover. The support is fixedly arranged onthe base, the middle portion of the swing rail is hinged to the upper portion of the support through a horizontal rotating shaft, the sliding support is arranged on the swing rail in a left-and-rightsliding manner, and the ladle cover is arranged on the left side of the sliding support. According to the torpedo ladle manual cover opening and closing device, through the structure and certain operation steps, the lever principle is ingeniously used, physical labor needing to be paid by an operator can be greatly reduced, even though no semi-automatic structure piece is used, the cover openingand closing motion can be easily completed, the overall structure is simple, the manufacturing cost is low, and the using cost is greatly reduced.