Ecological filter sewage treatment device

The utility model discloses an ecological filter sewage treatment device which comprises a main pipeline, the main pipeline is L-shaped, one end of the main pipeline is in sliding connection with a sleeve, the sleeve is fixedly connected with a storage pipe, the sleeve is fixedly connected with a fixing cover, the fixing cover is connected with a plurality of first filter screens, and the first filter screens are connected with a plurality of second filter screens. The first filter screens and the second filter screens are arranged, meshes of the first filter screens and meshes of the second filter screens are relatively large, sundries with relatively large sizes can be intercepted, circulation of sludge is not affected, and therefore sewage can smoothly pass through the first filter screens and the second filter screens, and the sewage treatment efficiency is improved. The sewage falling into the crack of the sleeve and the storage pipe along with the impurities can enter the main pipeline through the secon