Compendium of Materia Medica（ 本草纲目） is sorted out in many versions. But after investigation

consulting a large number of experts and many times of discussion

the authors find that there is still research space for further improvement

including the following 5 aspects: contrast between photomechanical printing and checkingpunctuating

vertical setting of unsimplified Chinese characters

complete punctuation（ new type of punctuation

with proper name line and title line）

remaining Li Shizhen’ s version purpose and checking the same version adopting multi-master copies. Solution

keeping the true and deepening of these problems has significant importance.