Abstract: The deep processing and utilization of Ginger（Zinger Officinale Roscoe), which is the traditional herb of China, were studied in this paper. Ginger oleoresins was extracted by supercritical CO₂ fluid technique, and its physical characteristics, chemical composition and functional components were analyzed and determined respectively. The spray drying microencapsulation technique was applied in ginger oleoresins, the optimum processing parameters were determined, and the microcapsule products were evaluated.