With the development of science, pe

With the development of science, people have finally discovered the essence of anti-biological phenomena, and found some anti-biological substances from some microorganisms called antibiotics, such as penicillin produced by Streptomyces gris, streptomycin and so on have obvious antibacterial effects. Therefore, some microorganisms in the life process will produce a chemical that can inhibit or kill some other pathogenic microorganisms, that is, antibiotics. Because some of the earliest antibiotics were found to be used to kill bacteria, they are called antibiotics. But with the discovery and clinical application of antibiotics, antiviral drugs, antiviral plasma, and even anti-tumor antibiotics,