Abstract: A device for removing a coating layer of an electrode plate, an electrode plate comprises a current collector and a coating layer coated on each of at least one surface of the current collector, the device for removing the coating layer of the electrode plate comprises: a conveying system for conveying the electrode plate which has the coating layer to be removed; at least one wetting mechanism, each wetting mechanism is provided at the coating layer to be removed on one surface of the electrode plate which is conveyed by the conveying system and wets the coating layer on the one surface of the electrode plate within the region where the coating layer will be removed by using a solvent; a laser removing system; and a control system communicating with the conveying system, the wetting mechanism and the laser removing system.