The utility model discloses a plastic film is retrieved taking off of machine and is chosen membrane mechanism, including choosing membrane tooth (1), choose membrane tooth (1) and set up on a four -bar linkage (2), be equipped with limit dark mechanism (3) simultaneously, should limit dark mechanism (3) to connect on choosing membrane tooth (1) or four -bar linkage (2). Compared with the prior art, the utility model discloses can effectively uncover the plastic film, it is effectual to take off the membrane, and then can improve the plastic film rate of recovery thereafter greatly.