Individualized diagnosis and treatment, especially drug therapy, for hypertension, hyperlipidemia, and heart failure; Non-invasive diagnosis and treatment of coronary heart disease; Diagnosis and treatment of other systemic diseases such as cardiac involvement in tumors. Cardiac function evaluation and protection for women (especially perimenopausal) and young people. Conducted in-depth research on comprehensive management of cardiac critical illnesses including patient management during perioperative period.