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对胸腺因子的传统制备方法进行了改良，并进行蛋白质含量及生物活性测定．结果表明，改进工艺后蛋白质含量为１１．６４ｇ／Ｌ，比用原工艺制备提高３倍，生物活性亦比用原工艺制备有明显提高．
Traditional preparation method of thymus factor was improved, and protein content and biological activity were measured. The results showed that the protein content after the improvement process was 11.64g / L, which was three times higher than that of the original one. The biological activity was also obviously improved compared with the original one.