紫草与紫草茸究系一种藥物?抑为兩种?这个問题值得研究和討論,因为該藥应用于防治麻疹,由來久矣。乃历年以來本省中医界臨床治療多用商品紫草茸,而未見紫草,近年來报導紫草可以預防麻疹?并且可以避孕?于是被人們重視起來,但是过去所用商品紫草茸,对于痘疹療效也是相当顯著,由于名称相近,功用相似,易于混淆,特为考証于下: Lithospermum and comfrey are two kinds of drugs, which is worth studying and discussing. Because the drug is used to prevent and cure measles, it has been a long time since. Since the beginning of the year, it has been used in the clinical treatment of traditional Chinese medicine in the province’s traditional Chinese medicine industry, but has not seen comfrey. In recent years it has been reported that comfrey can prevent measles and can be used for contraception. The efficacy of rash is also quite significant, due to similar names, similar function, easy to confuse, especially for the following: