Artificial intelligence technology has made breakthroughs in the field of clinical medicine, including diagnosis, imaging, and disease classification. Electronic medical record contains a large number of clinical data such as disease description, diagnosis, examination and treatment. With the participation of medical experts and information scientists, the studies of data mining of electronic medical record using artificial intelligence technology have greatly increased. Although now the method has some limitations, it is more rapid, economic and convenient compared with the traditional method, and is expected to promote the development of human health. In this paper, we reviewed the current status of data mining of electronic medical record using artificial intelligence technology, regarding related technologies, specific examples, and limitations.