The invention discloses a caulis sinomenii leaf tissue endophytic bacterium strain L2-20 and application thereof, and belongs to the technical field of microorganisms. The strain is
streptomyces lavendulaeL 2-20, and is preserved in the China Center for Type Culture Collection on February 24, 2025, the preservation address is Wuhan University, Wuhan, China, the preservation number is CCTCC NO: M2025279, and the preservation number is CCTCC NO: M2025279. Therefore, a large amount of clinical and industrial requirements on alkaloids are met, and a new treatment scheme is provided for treatment of diseases such as cancers, nervous systems,
antibiosis, anti-
inflammation,
immune system maintenance and the like.