As one of the serial journals of the Chinese Medical Association, Chinese Journal of Cardiac Arrhythmias publishes majority of all Chinese articles in cardiac electrophysiology field with English abstracts. The major focus is on original research and therapy of heart rhythm disorders, including mechanisms and electrophysiology, both clinical and experimental, genetics, ablation, devices, antiarrhythmia drugs, and surgery. Columns are Editorials, Book Reviews, Postgraduate Education, and Information Concerning the Quality of Devices used in the Practice of the Specialty. The journal publishes guidelines and important news information for Chinese Society of Cardiac Pacing and Electrophysiology members about the Society, and supplement issues, including the abstracts from the Annual Scientific Session.