Codonopsis Radix is a perennial herb of Campanulaceae

it has the effect of invigorating the spleen and benefiting the lung

nourishing blood and producing fluid;and it is a common clinical Chinese medicine.After undergoing changing

Codonopsis Radix has formed major production areas in Shanxi

Shaanxi

Gansu

Sichuan and Hubei provinces

and each major producing area has taken measures according to local conditions

to form a unique product specification

processing technology and process.Regarding the processing methods of Codonopsis Radix

the ancient literature since the Qing dynasty rarely recorded

the 2015 edition of Chinese Pharmacopoeia and the processing norms of provinces and cities throughout the country mainly recorded fried Codonopsis Radix with rice

fried Codonopsis Radix with bran

fried Codonopsis Radix with honey

fried Codonopsis Radix

steamed Codonopsis Radix

and so on.Because the processing methods and processing norms of Codonopsis Radix are different from each other

it is difficult to establish a unified quality standard of Chinese medicinal pieces.This paper refers to the books of Codonopsis Radix collected since the Qing dynasty and the related partial literature published after 2000

which sums up and summarizes the textual research of Codonopsis Radix

the processing status of its producing area and the general situation of its processing research

and so on;it provides a powerful scientific basis for the further study on the processing in production place and processing of Codonopsis Radix

especially taking the method of frying Codonopsis Radix with rice as the breakthrough point.