The present invention relates to a meandering correction device for an electrode assembly which is manufactured by having a first unit cell and a second unit cell of different sizes are folded through a separator, the meandering correction device for correcting the position of the second unit cell so as to align the first unit cell and the second unit cell, comprises: a main body on which the electrode assembly is disposed; a moving jig which is disposed on one side of the main body and applies pressure to one side surface of the electrode assembly to move the electrode assembly towards the other side of the main body; and a correcting jig which is disposed on the other side of the main body and which supports the other side surface of the electrode assembly moved by the moving jig to correct the position of the second unit cell.