Fast-matching Dong medicine database and data retrieval method

The invention relates to the technical field of database structures for information retrieval, in particular to a fast-matching Dong medicine database and a data retrieval method. The Dong medicine database comprises a data storage system which stores existing medicine molecular formulas and action targets thereof; the front-end data extraction system is used for obtaining a molecular formula to be retrieved and a Dong medicine source of the molecular formula to be retrieved; the rear-end data extraction system is used for determining related diseases of molecular formulas to be retrieved according to the source Dong medicine, determining action targets for treating the related diseases according to the related diseases to form a retrieval target set, and screening existing medicine molecular formulas with the action targets in the retrieval target set from the data storage system to form an intermediate data set; and the data comparison system is used for comparing the molecular formula to be retrieved with