The publishing industry in Korea gropes for the way to its development in the digital age. As the structure and the feature of the publishing industry have been rapidly changing, publishing interest groups which used to function as the motive power of publishing development should find a new model of functions and roles. This paper examines establishment environment and development history of interest groups in Korean publishing industry and analyzes practical problems publishing interest groups are faced with. This paper aims to offer the future prospect how publishing interest groups should be developed in order to play an important role in new circumstances in the 21st century. The main findings are as follows. 1) Publishing interest groups should reconstruct their inner structures and reinforce themselves with professionalism in order to satisfy the needs of other parts in the publishing industry. 2) Publishing sector should overcome specialization and overlapping of functions and structures among publishing interest groups. 3) The government should support the activities of publishing interest groups as they are bases of national development.