The invention discloses a wood-plastic blocking cover, which comprises a clamping claw (1) and a cover body (2) and is characterized in that the right end of the clamping claw (1) is provided with a claw head (11); a groove (12) is arranged under the clamping claw (1); an inclined plane I (13) is arranged on the upper side of the clamping claw (1); an inclined plane II (121) is arranged at the right side of the groove (12). The wood-plastic blocking cover is simple to operate, firm in clamping, high in rate of finished products, attractive, practical and long in service life.