【Abstract】 Acute kidney injury (AKI) is one of the common postoperative infection after use of drugs and surgical complications. How to early detection and prevention to reduce and mortality rates in dialysis treatment is one of the key. Early terminated the discovery of biomarkers for diagnosis and treatment of AKI.at present, NGAL、Cys C、IL18 have been used to diagnose widely.In recent years, there are still new discovery of AKI markers, gradually used for clinical monitoring and prognosis evaluation. In this paper, a few of markers will be show.