中药毒性的有无及大小 ,在临床用药中有重要的意义。因而为历代医家所重视 ,在本草书籍中常在药物的性味之下 ,注明“有毒”或“无毒”字样。“毒药”一词 ,古今有不同的含义。在古代医药文献中常是药物的总称。如《淮南子·修务训》云 :“神农尝百草之滋味 ,……一日而遇七十 The presence or absence of the toxicity of Chinese medicine and its size have important implications in clinical drug use. Therefore, it has been paid attention to by ancient physicians, and in the herbal books, the words “toxic” or “non-toxic” are often indicated under the drug’s taste. The word “poison” has different meanings in ancient and modern times. In ancient medical literature is often the general name of the drug. Such as “Huainanzi repair service training” cloud: "Shen Nong tasted the taste of a hundred herbs, ... a case of seventy