1.18yrs≤Age≤75yrs . 2..stability and unstable angina pectoris (AP), chronic myocardial infarction (OMI) or confirmed (myocardial ischemia; 3.De novo lesion at native coronary artery(Up to four target lesions). 4.Lesion length ≤60mm. 5.RVD 2.25mm～4.0mm. 6.DS%≥70% by visual estimation. 7.Coronary artery bypass surgery (coronary artery bypass grafting) patients. 8.Subjects are willing to follow the specified requirements follow-up.