Baduanjin-eight-silken-movement With Self-efficacy Building for Patients With Chronic Heart Failure (BESMILE-HF Study)

Inclusion Criteria: 1. aged 18 years or above 2. diagnosed with chronic heart failure 3. clinically stable as defined as symptoms and signs that have remained generally unchanged for at least 1 month 4. NYHA functional class II or III Exclusion Criteria: 1. patients who have contraindications to cardiopulmonary test 2. patients who have contraindications to exercise training 3. Patients who have serious acute or chronic organic disease or mental disorders 4. history of cardiac surgery, cardiac resynchronization therapy, or intracardiac defibrillation within the previous 3 months; 5. history of cardiac arrest within 1 year; 6. history of peripartum cardiomyopathy, hyperthyroid heart disease, primary pulmonary hypertension; 7. inability to perform a bicycle stress test; 8. severe cognitive dysfunction precluding informed consent or understanding of exercise concepts; 9. current regular Baduanjin or current participation in a conventional cardiac rehabilitation program 10. current participation in another trial.