The utility model provides a quick opener for an oil drum cover. The cover comprises a cover body I, a cover body II and a supporting column, the bottom of the supporting column is welded and fixed tothe oil drum cover. the top is respectively hinged with the cover body I and the cover body II; the cover body I and the cover body II are far away from or shield the oil drum cover; the cover body Iand the cover body II are arranged on the two sides of the top of the supporting column respectively, at least two iron sheets are arranged on the face, close to the oil drum cover, of the cover bodyI and the face, close to the oil drum cover, of the cover body II respectively, the iron sheets are hinged to the cover body I and the cover body II respectively, and the hinges are oppositely arranged so that the iron sheets can be opened or closed. The oil drum cover can be quickly opened or closed without a special opening tool, and the oil drum cover is simple in structure, low in cost and easy to implement.