Abstract:Obstructive sleep apnea( OSA) has a serious impact on patients' physical and mental functions as well as their quality of life. Therefore, cognitive impairment caused by OSA has become a hot research topic. At present, the pathogenesis and related treatment of cognitive impairment caused by OSA are still not completely clear. This paper reviews the related mechanisms and treatment of cognitive impairment caused by OSA, so as to improve relevant understandings