Official website, a postgraduate innovation practice series competition in China, was unable to log in because the website was closed after the competition. This competition is a series of innovative practice competitions for graduate students in China. Under the guidance of the Department of Degree Management and Postgraduate Education of the Ministry of Education, it is co-sponsored by China Institute of Degree and Postgraduate Education and Youth Science and Technology Center of China Association for Science and Technology. It is a national postgraduate competition, which is guided by the national strategic needs and supported by the participation of industry enterprises. The aim is to improve the innovation ability and practical ability of graduate students through competitions and incentives, and to help the country cultivate high-level talents in key fields that are urgently needed.