The invention discloses a device for cleaning dead corners and removing chippings. The device comprises a cylinder body and a chippings loosening conical tip at the front end of the cylinder body, a cavity is formed in the cylinder body, the cavity is internally provided with a piston block and a twitching rod connected with the piston block, one end of a telescopic cylinder is connected with the piston block, the other end of the telescopic cylinder extends out of the through hole, a fluff layer used for adsorbing the chippings is arranged on the surface of the telescopic cylinder, a metal screen layer is disposed on the inner wall of the cavity, a control cavity is formed in the inner wall of the cavity, the control cavity is internally provided with a driving motor, a driving gear plate is arranged on a main shaft of the driving motor, a gear groove is formed in the outer side face of the metal screen layer, and the inner wall of the cylinder body is provided with a dust collecting funnel groove and a dust discharge channel communicated with the dust collecting funnel groove. The device is simple in structure and convenient to operate, can greatly improve efficiency of removing the chippings at dead corners, saves time and labor, greatly reduces cleaning cost and manufacturing cost, and is good in use stability, high in adaptability and good in practicality.