Abstract: With the extensive applications of cardiac electrophysiological examination, catheter ablation and implantation technology, the atrial anatomy related to electrophysiology has attracted wide attention from cardiovascular specialists. Moreover, with the continuous progress of cardiac CT technology, it gradually be used to conduct a more detailed individualized analysis for atrial structure, providing more detailed and data for clinic. This article summarize current researches regarding the electrophysiological structure of left and right atriums, atrial septum and coronary sinus related to atrium based on up-to-date cardiac CT technology. As a result, it will help doctors and researchers improve the understanding of atrium-related anatomy and new imaging technology, and subsequently help with precise diagnosis and treatment of cardiovascular diseases.