cefoperazonesodium (cefoperazonesodium) is the third generation cephalosporin developed by Toyama Chemical Industry Co., LTD., Japan. It was listed in 1981, and it is a broad effect and broad spectrum fungicide. Its antibacterial performance is similar to cefotaxime, its effect on gram-positive bacteria is weak, only sensitive to hemolytic streptococcus and pneumococcus, sensitive to most gram-negative bacteria, strong tolerance to β-lactamase, the ability to induce β-lactam Chemicalbook aminase is very low, and it is not easy to induce bacterial resistance. Clinically, it is used for infection of respiratory tract, urinary tract, peritoneum, pleura, skin and soft tissue, bone and joint, facial features and other parts caused by various sensitive bacteria, and can also be used for septicemia and meningitis. It has good therapeutic effect and safety on respiratory tract, biliary tract, obstetrics and gynecology, surgery and other infection symptoms. Its stability is high and the degradation of aqueous solution follows first-order kinetics.