The invention provides a system for manufacturing electrode plates, and the system comprises: an initial plate transporting device for transporting the initial plate on one direction, and an electrode active material is coated on the initial plate; a back membrane transporting device for transporting the back membrane for equipping the back membrane on the back surface of the initial plate transporting device; a blanking device, which comprises a blanking blade whose shape is identical to that of the electrode plate to be acquried, and is equipped on the moving route of the initial plate and the back membrane, for blanking the electrode plate from the initial plate on the back membrane by the blanking blade; a back membrane collecting device for seperating and collecting back membrane from the initial plate where electrode plate is blanked and obtained.