Formwork supporting structure at corner of masonry wall

The utility model belongs to the technical field of building construction, and discloses a formwork structure at a corner of a masonry wall. The formwork structure at the corner of the masonry wall comprises an inner strip-shaped block, an outer strip-shaped block and a fastening assembly. The inner template and the outer template are arranged between the inner strip-shaped block and the outer strip-shaped block, and an inner clamping rod and an outer clamping rod in the fastening assembly abut against the inner strip-shaped block and the outer strip-shaped block respectively and are pressed through a pressing piece. According to the formwork structure at the corner of the masonry wall, the inner clamping rod and the outer clamping rod are bent to be the same as the included angle, so that the inner clamping rod and the outer clamping rod are completely attached to the inner strip-shaped block and the outer strip-shaped block respectively, and fixing is firmer; and the inner clamping rods and the outer clampi