Developing and improving modern business service industry，make the development of manufacturing industry and service industry interactive and balanced，has played an important role in promoting transformation and upgrading of Industry Park，and the high-quality development of the industry. Based on the further analysis of the development status of the business service industry in BDA in the new era，this thesis proposes to focus on the transformation and upgrading of the leading service industry，the implementation and transformation of achievements in scientifce and technology，and the improvement of the service function of Beijing E-Town emphasizing the four key tasks，including spatial structure optimization，Industrial format adjustment，high-end factor agglomeration and basic environment Enhance etc，and accelerate the construction of a leading and radiating high-end business service system.