The structure and the properties were briefed.Two methods to synthesize betaine modified organopolysiloxanes surfactants,quaterization and hydrosilylation were introduced.The synthesis methods of carboxyl betaine,sulfonic betaine,phosphate-ester betaine were described in detail.The application of betaine modified organopolysiloxanes surfactants in household and personal chemical,textile and leather industry as well as in other fields were discussed.