Engaged in the extraction, isolation, structural identification, and efficacy research of natural active substances derived from plants and microorganisms, skilled in material separation and purification, as well as structural analysis of complex natural products. Research Direction 1. Discovery of novel bioactive secondary metabolites from plants and microorganisms 2. Research on potential secondary metabolites of microorganisms based on complex culture method 3. Structural modification and structure-activity relationship study of bioactive natural products