With the acceleration of the aging process of the population,more and more elderly pa-tients need to receive surgical treatment,and studies have found that elderly patients are prone to periopera-tive neurocognitive disorders(PND).PND may effects patients'postoperative rehabilitation.Therefore,early identification of high-risk patients with PND and strengthening preoperative prehabilitation are extremely important for perioperative brain health and postoperative rehabilitation of patients.In this paper,preoperative risk factors,simple assessment methods and prehabilitation strategies of perioperative neurocog-nitive disorders in elderly patients were summarized,so as to provide references for clinical screening and prehabilitation of high-risk elderly patients.