" The medical book of Korean traditional medicine collection " is a book edited in 1423-1431 by Yu Hyo Thong, Ro Jung Rye and Pak Yun Dok reporting about the medical plants and it consists of one kind of books.
The book is divided into 12 months in spring, summer, autumn and winter. It arranges the pharmaceuticals peculiar to our country and gives the appropriate months and names of herbs on the basis of the extraction of medicines and is added the names of Korean traditional medicine as Lidu below.
It also records the herb names in Chinese characters that should be collected according to the seasons and months in the people and its corresponding herb names of our country so that normal men can easily understand.
The book introduces 134 herbs written in Chinese and 143 corresponding names written in Korean.
As seen above, the " medical book of Korean traditional medicine collection " is a national classic heritage which provides very important informations about not only Koryo medicines of our country at that time but also the history of language development as it recorded hundreds of kinds of Koryo medicines used in our country in Korean language.