Abstract: Supersonic speed airflow grinding technology is a new type of materials processing technology. It has specific advantages of cleanness，thermosensitive resistance，high precision，etc.，which widens its scope of application. This paper reviews the research progress of the supersonic speed airflow grinding technology. The working mechanisms and process characteristics of the supersonic speed airflow grinding technology are reviewed. The emphasis is the application and advantages of airflow grinding technology in materials refinement，food processing，particularly in the chemical research. The research work in the future is predicted.