Conclusion: The occurrence rate of SMI in gerontal male CHD patients is higher.DCG is an important means of detection and evaluation for SMI in CHD patients.

• 结论：老年男性冠心病患者SMI发生率高，其发生和持续时间有一定的规律，动态心电图是冠心病患者SMI的重要检测和评估手段。