The utility model discloses a huge stained glass dome structure. The huge stained glass dome structure comprises U-shaped hanging steel bars (11), straight hanging steel bars (12), a dome framework (2) and accessories (5). The U-shaped hanging steel bars (11) are clamped on steel balls of the dome and are connected with the dome framework (2). The upper ends of the straight hanging steel bars (12) are fixed to the dome framework (2), and the lower ends of the straight hanging steel bars (12) are connected with connecting parts (6). The connecting parts (6) are connected with the accessories (5). Stained glass is installed between every two accessories (5) and the stained glass of the dome is fixed through elastic depression bars, so that the whole dome is assembled in a connecting mode. Light straps (4) are distributed on the reverse sides of the stained glass. According to the huge stained glass dome structure, the image of the dome is enriched through the stained glass, so the huge stained glass dome structure brings diversified visual enjoyment to people.