By analyzing the differences between the two editions of Important Formulas Worth a Thousand Gold Pieces（ Qian Jin Yao Fang） as well as other medical literature edited by Song scholars

this thesis has summed up most of the collation methods used by Song scholars to edit Traditional Chinese Medicine（ TCM） ancient literature. Those methods include: rectification

addition of missed content

deletion of repeated content and the rearrangement as well as the reordering of content. It can be said that Song scholars outpaced the methods used by Han and Tang scholar and they put more emphasis on the accuracy and intactness of the content as well as the consistency of the form. The efforts of Song scholars have promoted the enrichment of Chinese medicine theories and accuracy of the Chinese medicine academic framework. Their work has a profound and extensive influence on the development of Chinese medicine theories.