[Reasonability of extracting procedures for huiyangfanben decoction]

The reasonability of extracting procedures for traditional Chinese prescriptions was studied with Huiyangfanben Decoction as sample. The comparative results of the ingredients in extractions prepared by different procedures revealed. For the prescriptions with complicated ingredients, more attention should be paid to the ingredients and their characteristics when designing the extracting procedurs, and in extraction the drugs should be classified according to the interaction of the ingredients. More extracting solvents could be used according to the characteristics of the active ingredients.