Old community external balcony structure

The utility model relates to an old community external balcony structure which comprises at least two first constructional columns, a second constructional column, a floor slab, a ring beam and a newly-added wall body, the first constructional columns are fixedly connected with original building frame columns, a preset distance is formed between the second constructional column and a connecting line between the two adjacent first constructional columns, and the second constructional column is not on the connecting line. Longitudinal bars of the second constructional columns and longitudinal bars of the first constructional columns penetrate through ring beams, the ring beams and the constructional columns are fixedly connected to form a balcony frame, floor slabs are fixedly arranged on the ring beams, and the floor slabs and original building floor slabs are located on the same horizontal plane to form a balcony plane. The newly-added wall body is arranged on the ring beam and located between the adjacent co