Abstract: When electrolyzing the KCl zincic plating bath additionally containing acrylamide and N,N′ -methylenebisacrylamide,a composite process of zinc electrodeposition and acrylamide electropolymerization took place on the cathode surface and,as a result,a composite coating of zinc and polyacrylamide was obtained.It is sulggested that polyacrylamide macromolecular chains are distributed in the zincic coating at a molecular level,and this new composite coating is different from common one with solid particles distributed.The performance of composite coating,appearance features,adhesion strength and wetted capability,was studied.