Abstract: The researches on the application of power ultrasonic to the extraction of traditional Chinese medicine have been paid much more attention with the development of ultrasonic technique. This paper introduces the characteristics of power ultrasonic and analyzes the research contents of the ultrasonic extraction of traditional Chinese medicine. The research developments for ultrasonic extraction of traditional Chinese medicine are reviewed. Finally，the existing problems and research directions in the future are proposed for ultrasonic extraction of traditional Chinese medicine.