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中国冠心病患者目前总数在逐年上升,全国每年死于冠心病已占城乡居民总死亡原因的首位,大约每5例死亡患者中,就有2例死于冠心病.随着冠状动脉造影及支架植入等介入治疗的成熟,解决了大部分患者的临床问题,大大降低了病死率,但仍有部分患者临床开通罪犯血管后,造影结果提示出现无复流、慢血流,或者冠状动脉造影或冠状动脉CT血管成像技术检查未见冠状动脉大血管狭窄或狭窄<50%,提示可能存在冠状动脉微循环障碍.现就冠状动脉微循环障碍的病理生理、检查方法及治疗做一综述.“,”The total number of patients with coronary heart disease in China is increasing year by year,and the annual death of coro-nary heart disease in urban and rural areas has accounted for the first cause of death of urban and rural residents,about every 5 cases of death,2 cases died of coronary heart disease. With the coronary angiography and stent implantation and other interventional treatment of ma-ture,to solve the clinical problems of most patients,greatly reducing the mortality rate,but there are still some patients after the clinical open-ing of criminals blood vessels,angiography results suggest no flow,slow blood flow,or coronary angiography or coronary CT angiography exam-ination no coronary artery stenosis or stenosis less than 50% ,suggesting that there may be coronary microcirculation. This article reviews the pathophysiology,examination methods and treatment of coronary microcirculation.