This method was applied in the preparation of pure substances of traditional Chinese medicine.Three kind of anthraquinone were separated and got from rhubarb.

• 这几种洗脱方式的效率很高，改变了传统的将载有样品的硅胶层刮下再洗脱的复杂操作，并被首先应用于中药纯品制备中，实现了对已分离薄层板的及时处理。