Inclusion Criteria:  TAVI after 1 month able to start cardiac rehabilitation(CR) as judged by the study investigators age >18 years old 6-min walk distance (6MWD) ≥100m patients able to provide the informed consent before randomization  Exclusion Criteria:  exercise-limiting comorbidities such as primarily orthopedic, neurological conditions that would exclude the patients from participating in CR linguistic deficits patient unwilling or unable to provide written informed consent patients with acute systemic diseases e.g. hyperthyroidism, electrolyte disturbances, uncontrolled diabetes, hemoglobin< 9 g/dL, uncontrolled asthma, severe obstructive pulmonary disease (forced expiratory volume in 1 second<50%), respiratory failure, and pulmonary embolism echocardiographic signs of prosthesis dysfunction including valve orifice area of <1.2 cm2 plus a mean transaortic pressure gradient of ≥20 mmHg, or a velocity of ≥3 m/s, at least moderate paravalvular regurgitation, signs of ischemia, severe arrhythmias, or hemodynamic deterioration during the exercise test decompensated heart failure (New York Heart Association (NYHA) class IV) patients with irreversible atrial or ventricular arrhythmias or patients with severe atrioventricular block bradycardia (heart rate<60bpm) or patients who need implantation of a pacemaker or implantable cardioverter defibrillators (ICD) recent history of sudden cardiac death syndrome suspected aortic dissection, pericarditis, hypertrophic obstructive cardiomyopathy and subacute bacterial endocarditis untreated or uncontrolled hypertension (systolic blood pressure > 180 mmHg and/or diastolic blood pressure >110 mmHg) or hypotension (systolic blood pressure <90 mmHg and/or diastolic blood pressure <60mmHg) cerebral hemorrhage, subarachnoid hemorrhage, cerebral thrombosis, cerebral embolism or other brain disease history active or recent major bleeding or bleeding predisposition coronary artery bypass grafting (CABG) within 3 months renal insufficiency (serum creatinine >2.5 mg/dl) planning to, or participation in another intervention study within 3 months patients with exercise intolerance or poor exercise endurance patients who are currently receiving systematic training researchers think it is not suitable to participate in this study