Three-dimensional adjustable curtain wall connecting assembly and curtain wall

The utility model discloses a three-dimensionally adjustable curtain wall connecting assembly and curtain wall wherein the connecting assembly comprises a connecting plate and a locking assembly, the connecting plate is L-shaped, and the connecting plate comprises a first side plate and a second side plate connected with the first side plate; the locking assembly comprises a first locking piece and a second locking piece, the first side plate is locked and fixed to the stand column through the first locking piece, and the second side plate is locked and fixed to the embedded part through the second locking piece. The first side plate is provided with a first strip-shaped hole allowing the first locking piece to penetrate through, the second side plate is provided with a second strip-shaped hole allowing the second locking piece to penetrate through, the first strip-shaped hole extends in the first direction, the second strip-shaped hole extends in the second direction, and the first direction is perpendicular