Coronary artery thin blood vessels can not be put stents can be under the guidance of the doctor for drug therapy, surgical treatment. 1. Drug treatment: long-term use of aspirin and other antiplatelet drugs as prescribed by the doctor can inhibit platelet aggregation; statins such as atorvastatin can reduce blood lipids, which can help to delay coronary atherosclerosis. 2. Surgical treatment: for multi-site lesions, no contraindications to surgery and those who can tolerate surgery, surgical bypass surgery can be considered. It is recommended that those who can not put stent in the coronary artery fine blood vessels go to regular hospitals in time, under the guidance of the doctor for standardized treatment, so as not to delay the condition of the body to bring adverse effects, and may even threaten the safety of life.