Single factor rotation method to study the extraction process, accompanied by HPLC with samples of gallic acid content, and ultimately determine the gall herbs gallic acid medicine extraction process. Results: The single factor rotation method gall Extraction Process study to determine the best process. While using high performance liquid chromatography determination gall gallic acid ingredients to provide the basis for the extraction process of screening. Conclusion: The gall Extraction Process to conduct a preliminary exploration, and provide the basis for gall clinical application.。