Building curtain wall connecting structure

The utility model relates to a building curtain wall connecting structure which comprises a glass body, connecting assemblies are mounted on the two sides of the glass body correspondingly, fixing assemblies are mounted at the front ends of the connecting assemblies and comprise mounting blocks, the upper ends and the lower ends of the mounting blocks are connected with circular pipes in a penetrating mode correspondingly, and limiting blocks are fixedly connected to the positions, close to the upper ends, of the inner sides of the circular pipes; a spring is arranged at the upper end of the limiting block, a telescopic block is arranged at the upper end of the spring and penetrates through the upper end of the round pipe, the close ends of the two telescopic blocks are fixedly connected with the same connecting steel wire, the connecting steel wire penetrates through the limiting block and the mounting block, a cross rod is fixedly connected to the inner side of the mounting block, and the connecting steel w