The appearances of digital art, technical art and new media art dramatically alter our definition for “art”. In the recent years, due to those advanced technology in electrical information and internet becoming mature, the artists and scientists frequently use similar or same technology and language. Interdisciplinary cooperation is even prevailing. The progresses in technology allow the creative artists to express themselves unrestrainedly. In this study, I deal with the history of digital art and analyze its characteristics and the future trends. Besides, I investigate and gather the information of the important design style, conceptual image design, which is appearing in the 20 century. The development progresses, international representative idols and expressive techniques are discussed. This study concludes the investigation results of conceptual image design, combine with digital art and then develop novel art articles.