Objectives : The aim of this study was to investigate the concept of Aphasia of children in the western and oriental medicine. Methods : We surveyed the western and oriental medical books from <neiching> to recent published books that have articles on Aphasia. Results and Conclusion : The concept of phonation organ in neiching is same as that of modern physiology. Sul-um is relative with verbal disturbance of central nervous disease and Hu-um is relative with verbal disturbance of peripheral nervous disease in modern medicine. The Aphasia of Children was classified two concept which is innate and acquirement Aphasia according to production cause. The Aphasia of children has the most close relation with the kidney and heart in the five zang-organ.