Green building structure with low carbon emission

The utility model discloses a low carbon emission green building structure which comprises a water collecting structure, a filter screen structure is installed in the water collecting structure, a lifting structure is connected to the filter screen structure, and the water collecting structure comprises an external connecting wall, a butt joint groove, a wedging groove, an inserting block, a wedging block, an expansion groove, a water collecting groove, a water guide opening and an inserting opening. And the filter screen structure comprises a hard filter screen, a dust collecting groove, a mounting ring, an inserting rod, a connecting rod, a sleeve rod, a rotating shaft, a sliding rod and a penetrating hole. Splicing can be carried out through the arranged water collection structure, the installation area can be enlarged, meanwhile, the filter screen structures can be installed in the water collection structure, sundries generated by rainwater collection are filtered, the multiple filter screen structures ca