Plastic bucket cover

The utility model relates to the technical field of plastic buckets, and particularly discloses a plastic bucket cover which comprises a cover body, a connecting ring and a second opening unit. The second opening unit comprises a cover plate, a sealer and two bolts, the cover body is provided with a through hole and two threaded holes, the cover plate is provided with two round holes, the cover plate is hinged to the cover body, the sealer is fixedly connected with the cover plate, and the two bolts respectively penetrate through the corresponding round holes and are in threaded connection with the corresponding threaded holes; through the arrangement of the structure, the second opening unit is used when liquid in the barrel adheres the connecting ring and the plastic barrel into a whole and is not easy to open, resource waste caused by the fact that the plastic barrel cannot be opened is avoided, the cover plate is hinged to the cover body, the two bolts are screwed anticlockwise to enable the two bolts to