As the world's three major professional educational institutions, the School of Astronautics of the University of Hong Kong has a network of alumni all over the world. The Space China Business School of HKU has more than 5,000 graduates in the Mainland, and has set up student exchange institutions in Beijing, Shanghai, Guangzhou and Shenzhen. In addition to mainland students, there are many students from the United States, Japanese, Taiwan Province and Hongkong who work and live in Chinese mainland. They all have rich work experience and management experience, and are in the golden age of career growth. Here, they learn from each other and inspire each other. They not only found new development opportunities, but also achieved a leap in career development, and also got like-minded business partners.