随着介入技术的不断提高和器械的不断改进，冠状动脉慢性完全闭塞病变的经皮冠状动脉介入术成功率取得了明显的提高，但针对冠状动脉慢性完全闭塞病变是否必须治疗，采用如何的介入治疗策略，至今，仍未能达成统一，故现对目前冠状动脉慢性完全闭塞病变是否必要治疗及目前的经皮冠状动脉介入术进展做一综述。“,”With the continuous improvement and constantly improve the technology and equipment of intervention, intervention oper-ation of coronary chronic total occlusion success rate has been greatly improved, but for chronic coronary artery total occlusion must be trea-ted, and how to use the interventional treatment strategy, so far, still failed to reach a unified, this paper will present the current chronic to-tal occlusion whether the disease need treatment,and make a summary on the progress and current interventional therapy.