Building water storage structure based on sponge city

The utility model relates to a building water storage structure based on sponge city, include: the setting forms partition space at the divider wall of building roof between the divider wall, the basin of setting in partition space, the assembly is at the apron of keeping away from building roof side of divider wall, is provided with the water inlet of the top that is located the basin on the apron, and, the conduit that is linked together with the basin. The rainwater is fallen and is passed through after the apron is gone up in the water inlet inflow basin, thereby realize the collection tothe rainwater, the basin is provided with a plurality ofly and sets up in partition space respectively, can save the rainwater respectively, the rainwater runs off when avoiding the basin to damage, be convenient for the more simultaneously maintenance of basin, the indoor of building can be carried through conduit to the rainwater of collecting in the basin, thereby be used for towards the lavatory, drag etc, architectur