the present invention relates to the preparation ad application of a high - sensitive electrochemical luminescent composite material which has anti - biofouling properties useful as a sensor material . this material is prepared by immobilization of electrochemical luminescent material into polymer containing phospholipid groups , wherein , the electrochemical luminescent material including ruthenium complex , osmium complex , etc . ; the phospholipid containing polymer is the copolymer of 2 - methacryloyloxyethyl phosphorylcholine and other polymerisable monomers . animal experiment results revealed that this composite material has good anti - biofouling properties ; it can be used in producing various sensors for bio - related detections .