This is a prospective observational cohort study conducted in Qujiang District, Zhejiang Province, China, aiming to evaluate the effectiveness of a comprehensive management program for elderly patients with chronic cardiovascular diseases (CVDs). The program integrates pharmacological treatment, lifestyle modification, health education, and long-term follow-up, with enhanced monitoring using 7-day ECG recording. The study focuses on major chronic CVDs including hypertension, coronary artery disease, atrial fibrillation, and heart failure. Approximately 30,000 participants aged ≥60 years will be enrolled and followed for up to 10 years.