The invention relates to a high-efficiency intelligent steel ladle baking device. The device is provided with a ladle cover and a burner, and the high-efficiency intelligent steel ladle baking deviceis characterized in that the ladle cover is provided with a plurality of specifications, the ladle cover is matched with the steel ladle with various specifications, a refractory material is arrangedon the lower layer of the steel ladle, and the refractory material covers a steel ladle opening during ladle baking operation, and a gap is reserved between the periphery and the edge of steel ladle opening; the burner is arranged in the middle of the ladle cover, the burner is of a tubular column made of a high-temperature-resistant material, an ignition gun, a flame detector, a fuel gas channeland a auxiliary fuel gas channel are further arranged, and a burning head is arranged at the lower end of the burner; a fuel gas inlet, a auxiliary fuel gas inlet and an ignition gun port are arrangedat the upper end, outside the steel ladle, of the burner; and the burning head of the burner extends to the lower part of the steel ladle during the ladle baking operation, the fuel gas inlet communicates with a fuel gas source through a fuel gas valve, and the auxiliary fuel gas inlet communicates with an auxiliary fuel gas source through an auxiliary fuel gas valve. The high-efficiency intelligent steel ladle baking device and the application method thereof has the advantages of being reasonable in structural design, safe and reliable in operation, high in automation degree and operation and use are conveniently carried out, the baking of steel ladle is uniform, the baking time is effectively reduced, the baking efficiency is improved, the environmental pollution is low, and the like.