A meandering correction apparatus for an electrode assembly, which corrects a position of a second unit cell to align a first unit cell with the second unit cell in the electrode assembly in which the first and second unit cells having sizes different from each other are folded through a separator, the meandering correction apparatus comprising: a main body on which the electrode assembly is disposed; a movable jig unit disposed on one side of the main body to press one side surface of the electrode assembly, thereby moving the electrode assembly toward the other side of the main body; and a correction jig unit disposed on the other side of the main body to support the other side surface of the electrode assembly that moves by the movable jig unit, thereby correcting the position of the second unit cell, a guide groove extending from one side of the top surface of the main body to the other side, wherein the movable jig unit is slidably coupled to the guide groove, wherein the movable jig unit includes a guide piece which is slide-movably inserted into the guide groove and a support piece disposed on the guide piece in a width direction of the main body to support one side surface of the electrode assembly, wherein a hook piece extending to the electrode assembly is further disposed on each of both sides of the movable jig unit to support both sides of the electrode assembly wherein the correction jig unit comprises a first correction jig supporting the other side surface of the second unit cell and a second correction jig stacked on the first correction jig to support the other side surface of the first unit cells, wherein the second unit cell is closely surface-attached to the first correction jig, wherein the correction jig unit further comprises a fixing bolt that successively passes through the first and second correction jigs and then is fixed to the main body, wherein a long hole that lengthily extends in a direction of the electrode assembly is defined in a top surface of the upper correction jig of the first and second correction jigs, and the fixing bolt passes through the long hole. a main body on which the electrode assembly is disposed; a movable jig unit disposed on one side of the main body to press one side surface of the electrode assembly, thereby moving the electrode assembly toward the other side of the main body; and a correction jig unit disposed on the other side of the main body to support the other side surface of the electrode assembly that moves by the movable jig unit, thereby correcting the position of the second unit cell, a guide groove extending from one side of the top surface of the main body to the other side, wherein the movable jig unit is slidably coupled to the guide groove, wherein the movable jig unit includes a guide piece which is slide-movably inserted into the guide groove and a support piece disposed on the guide piece in a width direction of the main body to support one side surface of the electrode assembly, wherein a hook piece extending to the electrode assembly is further disposed on each of both sides of the movable jig unit to support both sides of the electrode assembly wherein the correction jig unit comprises a first correction jig supporting the other side surface of the second unit cell and a second correction jig stacked on the first correction jig to support the other side surface of the first unit cells, wherein the second unit cell is closely surface-attached to the first correction jig, wherein the correction jig unit further comprises a fixing bolt that successively passes through the first and second correction jigs and then is fixed to the main body, wherein a long hole that lengthily extends in a direction of the electrode assembly is defined in a top surface of the upper correction jig of the first and second correction jigs, and the fixing bolt passes through the long hole.