The brand image positioning，shaping and management of business district are the important influencing factors of its development prospect. With the popularity of the Internet，Big Data and other emerging digital technology，especially the use of mobile-based internet social media，social media has become an important carrier of the city or business district international image. At the same time，because of the image of the business district or the city，positioning and other relevant information can be more smoothly disseminated to the domestic and international public，the brand construction of business district is more important to the development of business district in the digital and information age. Based on the main measures and remarkable results of the brand building of La Défense，this paper attempts to combine with the actual situation of the development of business districts in China，this paper discusses the inspiration and experience that La Défense district brings to the domestic business district in the aspects of brand building and operation management.