It is estimated that there are about 600,000 new cases of heart attack in China every year, especially for acute heart attack patients, the most effective treatment is to open the infarcted blood vessel in time and install a stent to keep the blood flow open. With the development of technology, chronic complete occlusion of coronary artery and severe stenosis patients can also be feasible interventional therapy and exempt from the pain of open heart. The following small editorial take you together to understand the coronary heart stent intervention.