Abstract: The modification methods of polymer membrane materials was reviewed.In order to improve hydrophile and flux of membrane ,it can be use the surfactant modified membrane.Solvent modified membrane is made with preoperation of certain solvent in some time and temperature. The blend modified operatioThe modification methods of polymer membrane materials was reviewed.In order to improve hydrophile and flux of membrane ,it can be use the surfactant modified membrane.Solvent modified membrane is made with preoperation of certain solvent in some time and temperature. The blend modified operation is simpleness and facilitation. The blend modified membrane makes use of advantage of its components and avoid its disadvantage.The development of plasma modification technique is fast,and it has excellent propert...n is simpleness and facilitation. The blend modified membrane makes use of advantage of its components and avoid its disadvantage.The development of plasma modification technique is fast,and it has excellent propert...