The domains of amphiphiles such as arachidic acid or an azobenzene derivative in single-layer LB films mixed with a long-chain silane-coupling agent (F-Si) were selectively removed from Si wafers. The domain structures of the mixed LB films were restored by transferring the monolayers of the amphiphiles using the LB technique. The results indicate that the monolayers were transferred selectively on the hydrophilic Si-wafer surface and not on the F-Si film surface.