Streptomycin can be used as the drug of choice in the following major categories of diseases: first, infectious diseases, such as urinary system infections, digestive system infections, pelvic and intra-abdominal infections, usually can be used as the drug of choice for acute gastroenteritis, cholecystitis, pancreatitis, appendicitis, etc. It can also be used in the urinary system, for acute cystitis, acute prostatitis, gynecological drugs can be used as the drug of choice for diseases. Secondly, it can also be used as the first choice drug in non-infectious diseases, for mycobacterial infections of tuberculin, such as intestinal tuberculosis, pulmonary tuberculosis, Mycobacterium plague infection, Borrelia burgdorferi infection, all have strong anti-mycobacterial infection effect. Third, streptomycin can also be used as a douche, for example, pelvic and bladder douches and post-traumatic incision douches, all of which can be used as the drug of choice.