[Objective] The efficiency approach of ginkgo processing and integrated utilization was developed for the industrialization of ginkgo oil with high additional value and good-quality.[Method] The supercritical CO2 extraction of the oil in ginkgo was researched with the single factor experiment and the response surface methodology.The effect of the granulated degree of the raw material,extraction press and temperature on oil extraction was analyzed with the single factor experiment and the primary experimenta...