Abstract: The method of supercritical fluid extraction(SFE) has special physical and chemical properties,with high speed,high efficiency and high level of automation,using no or few toxic solvents.It is superior to Soxhlet extraction and liquid-liquid extraction.It not only extracts organic pollutants in solid samples such as soil and grain but also extracts organic pollutants in water and air collected and concentrated by solid adsorbents.The method is therefore widely used in the fields of anslysis of environmental organic pollutants.