６０例有剖宫产指征，行择期剖宫产术者，３０例在术中断脐后一次性注射美福仙２ｇ；另３０例术后按常规应用抗生素作对照。观察术后产妇体温、白细胞数、中性白细胞数、伤口愈合及晚期产后流血情况，二组无显著性差异（Ｐ＞０．０５）。故择期剖宫产围术期使用美福仙系一简便、有效的方法，可代替术后常规使用抗生素预防感染。 60 cases had cesarean indications, elective cesarean section, 30 cases of umbilical anesthesia after a one-time injection of mefloxacin 2g; the other 30 cases according to routine use of antibiotics as a control. Postoperative maternal temperature, white blood cell count, neutrophil count, wound healing and postpartum bleeding were observed. There was no significant difference between the two groups (P> 0.05). Therefore, the elective cesarean section during the perioperative use of the United States Department of Fuxian a simple and effective method that can replace conventional postoperative antibiotics to prevent infection.