Cardiology interventions for the treatment of perivalvular leakage after surgical aortic valve replacement may include balloon dilatation or reimplantation of a stent, depending on the situation. Perivalvular leakage is one of the complications after surgical aortic valve replacement. According to authoritative data, most patients with perivalvular leakage have mild symptoms, and the distended valve may diminish on its own over time. Secondly, some patients can also cooperate with the doctor to take balloon dilatation, to a certain extent, can also play a role in alleviating the effect. However, if balloon dilatation is not effective, patients with severe perivalvular leakage may need to consider implanting a stent again, which is a relatively risky procedure. In addition to perivalvular leakage, common postoperative complications include conduction block, stroke, coronary artery obstruction, myocardial infarction, pericardial effusion, and valve detachment or displacement. In conclusion, patients undergoing aortic valve surgical replacement need to be closely observed, strengthened clinical care, and cooperated with doctors for active treatment.