[Objective] The extraction process of the ursolic acid from Kudingcha with the assistance of microwave and ultrasonic method was studied.[Method] The single factor experiment in the extraction effect of the ursolic acid was conducted and the efficiency of the ursolic acid extracted with assistance of microwave and ultrasonic method was compared with single method of microwave or ultrasonic method.[Results] The results indicated that the superior extraction condition identified in the assistance of microwave...