The invention provides a cylinder-shaped device for automatically correcting electrode tabs of batteries, comprising a feeding unit (2), an electrode tab correcting unit (3) and a control unit (38); the feeding unit (2) is used for delivering the batteries to the electrode tab correcting unit (3) which is used for correcting the electrodes of the batteries; the control unit (38) is used for controlling the action of the delivery of the batteries from the feeding unit (2) to the electrode tab correcting unit (3), as well as controlling the action of correcting operation of the electrode tab ofthe batteries by the electrode tab correcting unit (3) according to whether the batteries are in the working places of the feeding unit (2) and of the electrode tab correcting unit (3). Therefore, the cylinder-shaped device for automatically correcting the electrode tabs of the batteries can effectively reduce the labor intensity of the workers and improve the working efficiency.