目的:制订复方牛黄酸制剂质量控制指标。方法:采用薄层扫描法测定复方牛黄散中胆酸的含量。结果:回收率为98.53%,RSD为3.07%。结论:本法简便易行,快速,结果准确 Objective: To develop a quality control index for compound taurine preparations. Methods: The content of cholic acid in compound Niuhuang Powder was determined by TLC scanning. Results: The recovery rate was 98.53% and the RSD was 3.07%. Conclusion: This method is simple, fast and accurate.