Pμrpose: Improve bacterial biofilm model of E.coli and Staphylococcus aureus, and establish sophisticated method of bacterial biofilm model; To Investigate influoence of antibacterial activity Chinese medicine monomer and ginsenoside on bacterial biofilm. Screen ginsenoside monomers which inhibits bacterial biofilm. Observe combined affect of ginsenoside and Chinese medicine monomer on bacterial biofilm.Method: Observe formation and morphology of bacterial biofilm with SEM and LSCM. With E.coli and Staphylo...