The disadvantages of cardiac radiofrequency ablation include surgical risks, postoperative complications, and adverse reactions. However, the probability of occurrence is low, must be treated under the circumstances still need to receive treatment, the specific treatment needs to follow the doctor’s instructions. 1. Surgical risk: Although radiofrequency ablation is a minimally invasive surgery with low risk, there are still certain risks, such as surgical failure. 2. Complications: Complications from puncture and complications during ablation are two major categories. Complications brought by puncture mainly include injuring the artery and vein by mistake during puncture, causing hematoma in the corresponding part, and injuring the lung tip by mistake, resulting in pneumothorax; complications during ablation include cardiac tamponade, atrioventricular block, and so on. 3. Improper operation during the procedure, resulting in traumatic infection. Although cardiac radiofrequency ablation is a minimally invasive surgery, it is recommended to go to regular hospitals for treatment.