The invention relates to an organic fertilizer processing device which comprises a stirring bucket, wherein a support plate is fixedly connected with the top of the stirring bucket; support platformsare fixedly connected with both ends of the support plate; through holes are formed in the two support platforms; driving shafts are connected to the interiors of the through holes; a first driving disc and a second driving disc parallel to each other are fixedly connected with the driving shafts coaxially; a stirring disc is arranged between the first driving disc and the second driving disc; thestirring disc is radially perpendicular to the first driving disc and the second driving disc; the stirring disc is intermittently propped against the first driving disc and the second driving disc;a stirring shaft is coaxially and fixedly connected with the bottom of the stirring disc; the bottom of the stirring shaft penetrates through the support plate and extends into a stirring bucket; stirring blades are hinged with the stirring shaft axially; a screw rod section is arranged at the top of the stirring shaft; the screw rod section is in threaded connection with the support plate; the driving shaft is connected with a direction change mechanism. By adopting the device, materials at different heights inside the stirring bucket can be stirred in different directions.