In recent years, the digital economy is experiencing unprecedented high-speed, wide-ranging and deep development, and has become a key force to reorganize global factor resources, reshape the global economic structure and change the global competition pattern. In this process, China's digital economy has developed synchronously with the world, and even accelerated its evolution. For a long time, Haier Zhijia has actively followed the trend of the times, driven by digitalization and led by digital party building, to promote the digital transformation of enterprises and achieve sustainable development. The digital economy is an important pillar of enterprise development. The 14th five year plan for the development of the digital economy issued by the State Council clearly points out that the digital economy is promoting profound changes in production methods, lifestyles and governance methods, and injecting strong impetus into social and economic development. In the era of digital economy, the higher the maturity of digital level, the stronger the development momentum of enterprises. Haier Zhijia is the leader of the digital economy and must play a leading role in the development of the digital economy. To this end, Haier Zhijia takes the creation of an Internet of things ecological brand as the goal, focuses on the implementation of strategies such as the three winged bird smart family, scientific research and development, and digital transformation, finds the core problems, designs, builds, and serves smart homes for users through digitalization, and brings the best experience of the whole process. Therefore, in order to continuously achieve industry leadership, Haier Zhijia has always integrated platform resources and data resources, improved the digital leadership of enterprises, and enriched the connotation and application of enterprise digital transformation. Building digital leadership with a digital platform in the digital era, the needs of users are complex and changeable. Enterprises need to undergo digital reconstruction to directly reach users and promote user services. Therefore, Haier Zhijia adheres to digital transformation, builds digital platform capabilities, focuses on users with digital tools, and completes the closed loop from finding users, persuading users, moving users and retaining users. Specifically, first, digitalization of employees, users, customers and other groups; Second, digitalization of logistics, service, marketing and other capabilities; Third, commodity digitalization, that is, the digitalization of the supply chain from R & D, planning, manufacturing to delivery to users. Haier Zhijia subverts the top-down management and innovation of the enterprise by building a digital platform and using scenario thinking, turning it into a bottom-up management and innovation with users as the core, and achieving the reconstruction of objectives, organizations, processes and mechanisms. At present, Haier Zhijia has realized the digitization of three major links, namely, the digitization of the platform, the digitization of people and the digitization of capabilities. In addition, Haier Zhijia has reconstructed the core structure of the four major business centers through the digitalization of the whole process, including the brain of Zhijia, lean manufacturing, R & D center and business center, which has promoted Haier Zhijia to become the most efficient company in the world. Therefore, in the implementation of the digital transformation strategy, Haier Zhijia uses digitalization to stimulate the potential of employees, strengthen the digital leadership of enterprises, and enhance the core competitiveness of enterprises. Building the soul of digital transformation with innovative models in the digital economy era, promoting model reform is the key element of enterprise development. At the same time, the core position of Party building is the guiding direction of enterprise organization construction, and a practical and powerful party building model is the core handle to promote the improvement of quality and efficiency of Party building work. Therefore, the Zhijia Party committee innovated the party building model of "building branches on small and micro enterprises" and developed a