Pharmaceutical composition of sisomicin sulphate injection and preparation method

The invention relates to a pharmaceutical composition of sisomicin sulphate injection and a preparation method, and in particular relates to a pharmaceutical composition of sisomicin sulphate injection applied to gram-negative bacteria (comprising pseudomonas aeruginosa), staphylococcus and the following infections caused by other sensitive bacteria: respiratory tract infection, urinary system infection, infection of biliary tract, skin and soft tissue infection, infectious diarrhea, septicaemia and the like; the pharmaceutical composition of the sisomicin sulphate injection contains sisomicin sulphate and water for injection as a solvent; and the concentration of sisomicin sulphate is 1-100000 unit/ml. The sisomicin sulphate injection disclosed by the invention has excellent pharmaceutical properties.