Road drainage filter

The utility model discloses a road drainage filter which comprises a road base, a drainage channel is arranged in the road base, a positioning pit is formed in the position, corresponding to the drainage channel, in the road base, a fixing frame is fixedly installed in the positioning pit, and a placing groove is formed in the fixing frame. A notch is formed in the position, close to the top, of the inner wall of the containing groove, a top frame is arranged in the notch in an embedded and matched mode and fixedly connected with the notch through a positioning mechanism, a filter screen frame is fixedly connected to the bottom of the top frame, and a threaded head is fixedly connected to the top end of the filter screen frame. According to the road drainage filtering device, the fixing frame structure is arranged, so that the road drainage filtering device can be installed on a drainage channel in an embedded mode, road drainage can be stably filtered in cooperation with the filter screen frame and the posit