Background　Postoperative sleep disturbance(PSD) not only has the high incidence but also has severe prognosis.　Objective　This paper summarized and analyzed the general mechanism of PSD and provided new ideas for advanced research.　Content　This paper reviewed related researches about PSD, including physiological changes, evaluation and monitoring methods, different influencing factors, prevention and treatment of progress.　Trend　In order to reduce PSD, and provide new ideas to improve the prognosis of patient, PSD in the perioperative complications deserves further attention and in?蛳depth research.