In the Ming Dynasty,the word“Daodi”was often used to indicate the goods had superior quality,and superior quality medicinal materials could be called“Daodi herbs”.The case study of the Qizhou Baihua Snake shows the development of“Daodi herbs”in the Ming Dynasty.The Qizh...MORE In the Ming Dynasty,the word“Daodi”was often used to indicate the goods had superior quality,and superior quality medicinal materials could be called“Daodi herbs”.The case study of the Qizhou Baihua Snake shows the development of“Daodi herbs”in the Ming Dynast...