近年来，药学工作者对用乙醇沉淀中药药液的方法已从不同的角度进行了论述与评价[1~7]，认为尽管乙醇沉淀法具有澄清药液，减少服用量等优点，但也存在很多缺点，如乙醇消耗量较大，一般损耗在总醇量的30％以上，且造成己醇不溶性成分的大量丢失，直接影响疗效，迫使人们设法寻 In recent years, pharmacists have discussed and evaluated the method of using ethanol to precipitate traditional Chinese medicine liquids from different perspectives [1-7]. They believe that although ethanol precipitation has the advantages of clarifying liquids and reducing dosage, it also exists. Many disadvantages, such as a large amount of ethanol consumption, generally consume more than 30% of the total amount of alcohol, and cause a large number of insoluble components of hexanol to be lost, directly affecting curative effect, forcing people to find