Astragalus saponin is one of the main active ingredients of traditional Chinese medicine Astragalus membranaceus. Pharmacological studies have proved that Astragalus saponins have anti-inflammatory, hypotensive, anti-myocardial hypoxia, central analgesia and affect the synthesis of serum and liver proteins.

The application of macroporous adsorption resin in the purification of active ingredients of traditional Chinese medicine has increased year by year, and the application of separation and concentration of chemical components in Chinese herbal medicine has attracted more and more attention.