Antibacterial effect: The injection made from dandelion extract has a strong killing effect on Staphylococcus aureus and hemolytic streptococcus, and also exhibits certain killing effects on Streptococcus pneumoniae, meningococcus, diphtheria bacillus, Pseudomonas aeruginosa, Proteus, dysentery bacillus, typhoid bacillus, and catarrhalis coccus.