A new method, precipitation-column chromatography which can be used practically and feasiblly to purify tea polyphenols,was presented.Tea polyphenols were also analysed by HPLC and colorimetry qualitatively and quantatitively.% 在比较各种传统纯化方法的基础上，提出了用沉淀-柱层析法纯化茶多酚粗品的新方法，并采用高效液相、福林酚试剂比色法的联用对茶多酚纯品进行了定性、定量分析。结果表明该方法具有一定的实用性和可行性。
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