Abstract: OBJECTIVE To discover the problems of origins to Chinese medicinal materials in Chinese Pharmacopoeia 2020 Edition(ChP 2020), and to lay a foundation for improving and revising the contents in origins of Chinese Pharmacopoeia. METHODS For all the origins in ChP 2020(Volume Ⅰ and Volume Ⅳ Appendix) consult authoritative works such as Flora of China(Chinese and English version), Fauna of China, Chinese Field Herbarium special databases and relevant research literatures. Conduct textual research or commodity investigation on the problems found. RESULTS There were 10 species with the problems of Chinese medicinal materials origins, 4 species with the problems of Latin scientific names and 3 species with the problems of the Chinese names, and also there were 3 species with the original controversy in ChP 2020(Volume Ⅰ and Volume Ⅳ Appendix). CONCLUSION Through research and textualization, the above-mentioned 17 species involving the problems of species of origins, Latin scientific names and Chinese names in ChP 2020 all need to be revised and improved. And put forward the preliminary modification suggestion. The other three species don't need to be modified although their species of origins are controversial.