Abstract: Extracts of the leaves of Ginkgo biloba were got by different extracting methods.The activities of oxidation resistance ofthe extracts were measured by rape oil and lard as substrates.It was found that the extract obtained by petroleum ether-ethanolextracting method showed the highest activity;ethanol extract was next:water extract showed poor results.Furthermore.the yieldsof the extracts obtained by different methods were compared.

Key words: Leaves of Ginkgo biloba Extract Oxidation resistance