The invention discloses a dead corner accumulated ore cleaning apparatus of a ceramic filter tank body. According to the dead corner accumulated ore cleaning apparatus, a main rotating shaft is arranged above the middle of a ceramic filter tank body; a plurality of stirring members capable of synchronously rotating along with the main rotating shaft are arranged on the main rotating shaft; the dead corner accumulated ore cleaning apparatus comprises a water pump, a front cleaning pipe, a rear cleaning pipe, a front cleaning valve, a rear cleaning valve and a controller for controlling the front cleaning valve and the rear cleaning valve to be opened alternatively; the front cleaning pipe is arranged on the inner wall of the front half section of the tank body along the axial direction of the tank body; the rear cleaning pipe is arranged on the inner wall of the rear half section of the tank body along the axial direction of the tank body; a plurality of through holes facing the bottomportion of the tank body are arranged on the pipe walls of the front cleaning pipe and the rear cleaning pipe; the water pump is connected to the front cleaning pipe and the rear cleaning pipe respectively through the front cleaning valve and the rear cleaning valve; the front cleaning pipe and/or the rear cleaning pipe are/is connected to extension pipes; and the extension pipes extend towards the bottom portion of the tank body, and are close to and point to the dead corner of the tank body. According to the present invention, the dead corner accumulated ore cleaning apparatus can flush theaccumulated ore at the dead corner.