Pavement disease repairing device

Relates to the field of pavement maintenance, and discloses a pavement disease repairing device which comprises a concrete mixer truck and further comprises a fence unit arranged on the lower portion, close to one side of a discharge port, of the concrete mixer truck; the fence unit comprises a support plate arranged at the lower part of the concrete mixer truck; the movable plate is arranged on one side, far away from the concrete mixer truck, of the supporting plate; according to the road surface repairing device, the surrounding area of the road surface can be increased, the side edge of the repaired road surface can be smoother, then concrete is added to the damaged road surface from the discharging opening, and under the action of the movable plate and the supporting plate, the flowing concrete is intercepted on the road surface, so that the road surface is protected, and the road surface is protected. The loss of the concrete is reduced, and then the concrete is flatly paved to finish the repairing work