With the development of technology, the probability of complications in the treatment of atrial fibrillation by radiofrequency ablation has been gradually reduced, and the safety of the procedure is now relatively high. Atrial fibrillation is a common cardiac arrhythmia, and radiofrequency ablation is widely used to treat atrial fibrillation. Radiofrequency ablation is minimally invasive and technologically mature, and the postoperative symptomatic relief is very obvious. Common complications include cardiac perforation, accidental injury to the cardiac conduction system, and local hematoma. Radiofrequency ablation, i.e., catheter radiofrequency ablation technology, is to treat atrial fibrillation by releasing electric current through the electrodes at the head of the catheter, which converts electrical energy into heat energy between the local myocardium and endocardium, thus causing myocardial tissue in specific locations to degenerate and necrose. During RF, the energy of the current is a low-voltage electrical energy, which is safer during the operation.