Road edge stone gutter inlet rear-mounted device

The utility model relates to the technical field of building drainage, and discloses a road edge stone gutter inlet rear-mounted device which comprises a road edge stone, gutter inlets are formed in the road edge stone at intervals, the road edge stone gutter inlet rear-mounted device further comprises a flow guide groove and a filter box, the flow guide groove and the road edge stone are arranged in parallel, the flow guide groove is connected to the side, close to a green belt, of the road edge stone, and the filter box is connected with the gutter inlets. The top height of the side wall, connected with the road edge stone, of the diversion trench is smaller than or equal to the opening height of the gutter inlet, and the diversion trench is provided with an upward opening and a plurality of outflow holes penetrating through the bottom of the diversion trench; the filtering boxes are arranged on the opening sides of the gutter inlets in a one-to-one correspondence mode, the openings of the gutter inlets are