Objective: To establish a FTIR-Raman analytic method of the ginkgolide B. Method: The ginkgolide B was extracted by fat extractor

and was purified by column chromatography

and was tested by the IR and Raman spectrometry after drying

and the spectrograms were compared with the FTIR spectrogram and Raman spectrogram of ginkgolide B reference substance which was treated with processing method of the sample. Result: The peak shape and peak position were consistent with the sample spectrogram and reference spectrogram

the IR spectrogram and Raman spectrogram can complement each other

so data are complete. Conclusion: The method is accurate and reliable

it can be used for the identification of substances.