The invention discloses an optimized chain transmission type chain debugging and maintenance device. The device comprises a first fixed support rod; the top of the first fixed support rod is fixedly connected with a first fixed support plate; second fixed support rods are symmetrically arranged on the two sides of the top of the first fixed support plate; the tops of the second fixed support rodsare fixedly connected with a second fixed support plate; a cleaning device is arranged in the middle position of the top of the second fixed support plate; a rotary support plate is fixedly connectedto the top surface of the first fixed support plate and near the middle position of the one side of the front surface thereof; a lubricating device is arranged at the top of one side of the front surface of the rotary support plate; and the device relates to the technical field of chain transmission equipment. The optimized chain transmission type chain debugging and maintenance device achieves the purpose of improving overall working efficiency, and can termly clean used chains to reduce wear and to prevent blockage so as to prolong the service life.