The invention discloses a large engineering tyre bead ring wrapper twister, which comprises a bracing frame, a pedestal arranged under the bracing frame, two guide posts arranged on the upper part of the bracing frame, a support case body arranged between the two guide posts, and an annular fluted disc arranged in the middle of the support case body. The fluted disc is supported on the support case body through a coupling flange. The fluted disc is connected with a first power drive device arranged in the support case body in a transmission way. A serrated roller used for driving a bead ring to turn is arranged inside the pedestal. The serrated roller is connected with a second power drive device in a transmission way. The large engineering tyre bead ring wrapper twister is operated simply, practical, and used conveniently, which is applicable for twisting wrapper on various large specification bead rings and can be operated by one worker. The twisted wrapper is uniform in tightness and compact, and arranged uniformly. The cost is low; the labor cost is saved; the product quality and the work efficiency are improved.