The utility model relates to an auxiliary device for unhooking auxiliary lifting lugs of a ladle, comprising a turnover plate, a pin shaft, and a back-up ring, the pin shaft is fixed on the ladle auxiliary lifting lug triangle side plate, one end of the turnover plate is connected with a pin shaft, and rotates around the pin shaft with the connecting point as a circle center, the back-up ring is installed on the pin shaft at the external of the connecting part of the turnover plate and the shaft pin. The auxiliary device in the utility model is provided with two sets, the two sets are symmetrically installed on the side plate of the ladle auxiliary lifting lug triangle plate, original structure of ladle is not needed to be changed in installation, and when the ladle is horizontally arranged, ladle auxiliary lifting lugs are automatically padded, making unhooking easy, thereby solving problems of difficult unhooking or incapability of unhooking of auxiliary lifting lugs in horizontally-arranged state of the ladle.