Conclusion; Cefdinir was excellent to MSSA,MSSE and bacilli in vitro,cefdinir was the effctive antibacterial drug to treat social acquired infection.

• 结论:头孢地尼对甲氧西林敏感的葡萄球菌,常见肠杆菌科细菌具有较高抗菌活性,可以作为治疗社区获得呼吸道感染的有效抗菌药物。