Cast-in-place concrete wall hole reserving structure

The utility model provides a cast-in-place concrete wall hole reserving structure which is characterized in that vertical supporting columns are arranged on the two sides of a concrete wall, transverse supporting rods are arranged between the vertical supporting columns and a wall face formwork and between the vertical supporting columns and a wall back formwork respectively, and a wall reinforcement cage is arranged between the wall face formwork and the wall back formwork. A box-shaped reinforcing rib is arranged at a reserved hole in a wall reinforcement cage, a cross-shaped supporting frame with a cross-shaped cross section is arranged on the side, facing the reserved hole, of a vertical supporting column, a corner wall formwork is arranged at the reserved hole, the corner wall formwork is supported and pressed by the cross-shaped supporting frame, and a concrete wall is formed in a cavity defined by a wall back formwork, a wall face formwork and the corner wall formwork. The positioning precision of the