Conclusion Abiding surgical indication, lessening of surgical trauma, amelioration of immune function and nutrition support will be helpful to reduce the rate of persistent fever.

• 结论严格掌握手术指征，充分做好术前准备及术中处理，减少手术创伤，改善患者的一般状态，增强机体免疫能力是预防术后持续发热的关键。