SDE was used to extract essential oil from Fructus Corni of Shi Tai,Anhui province.Qualitative and quantitative analysis were performed by GC-MS.SDE was used to extract essential oil from Fructus Corni.SDE was pre-treatment methods to extract essential oil by heating the sample with organic solvent to boiling.The amount of the components from the essential oil were determined by normalization method.The separated components identified by GC-MS.The results showed that essential oil of Fructus Corni extracted effectively by SDE.Forty eight essential compounds were identified.The highest content was hexadecanoic acid(28.86%),followed by Methyl linolenate (10.82%).Components with qualities analyzed was 91.54% of the total essential oil.