The methods of improving the electrical conductivity of polymer materials are summarized as doping, compositing with other materials and changing the structure of the conductive polymers. The existing electron band energy level in polymer materials could be changed by doping, so that the energy difference between energy bands is reduced and the carrier migration resistance decreases. Materials composited with conductive polymers could provide carrier migration channels, form large conjugated system with conductive polymer materials, improve the ordering between the polymer chains or increase the tightness of the compound, thereby enhance the conductivity of the composite material. The materials that conductive polymers are composited with are generally metal or metal oxides, inorganic non-metallic materials and some common organic polymers. The regularity of the conductive polymer, as well as the crystallinity could be improved by changing the structure of the polymer. Conductive polymer materials have a wide application prospect and in order to realize the utility of conductive polymer in the future, the integrated performance of conductive polymer including solubility, processability and stability needs to be improved as well as the electrical conductivity.