Background　Cardiac arrest is a very serious sudden incident during perioperative period， although it is rare in perioperative period， it's rescue rate of success is low and mortality is high. It will threaten the safety of patient’s life directly once it occurs.　Objective　This article provides guidance and theoretical basis to prevent cardiac arrest from happening in perioperative period and improve the successful rate of cardiopulmonary resuscitation.　Content　To summaries and analyzes the incidence， related risk factors and treatment measures of cardiac arrest in perioperative period.　Trend　Underlying related risk factors are needed to be Investigated by advanced researches. Controversies still exist in treatment after cardiac arrest， more researches are needed to improve it.