[Textual research on lost articles in ].

() is a lost medical prescription book. Its title came from the "book of classics and history" , a chapter of (, ). 117 pieces of lost articles were preserved in the book. In addition to a total of 50 kinds of medical books explicitly quoted some of the lost articles in . Among them, 38 kinds of medical books did not exceed the scope of the articles of cited in 12 kinds of medical books contained the articles of which did not quoted in . It is speculated that may still exist in the Yangtze River basin from 1552 to 1578. In terms of the existing articles of it has academic origin with (, ).