Patients, winter is the season of high incidence of cardiovascular diseases. Patients with underlying diseases such as hypertension, hyperlipidemia, coronary heart disease, diabetes, cerebral atherosclerosis and other high-risk diseases should be more alert to the occurrence of acute cardiovascular and cerebrovascular events, and upper medicine treats the untreated disease by timely testing the functional status of blood vessels to detect potential dangers and treat them in a timely manner. For example, patients with chest tightness, breath-holding and large blood pressure fluctuations should have timely ambulatory ECG monitoring and ambulatory blood pressure monitoring. The picture shows the staff of the ambulatory ECG room of our department interpreting the ambulatory ECG report.