The research on vascular health of Huawei watches refers to a research conducted by Huawei on watch products, aiming at monitoring the vascular health of users through sensors and algorithms on watches. Vascular health refers to the elasticity, patency and blood circulation of blood vessels. By monitoring the user's heart rate, blood pressure, blood oxygen saturation and other indicators, the watch can provide the user's vascular health data, and give corresponding suggestions and reminders according to these data to help users better manage their health.