Abstract: In order to promote the implementation of the strategy of digitalizing sports industry in China, this article takes sports events, stadiums, fitness and leisure, sports manufacturing enabled by digital twin technology as examples to .analyze the application value of the digital transformation of sports industry, discuss the difficulties and constrain and puts forward the practical path through the methods of literature, expert interview, case study, and logical reasoning. The results show that: digital twin technology can help accelerate the digital transformation of sports industry, improve the operation and management efficiency of sports events, promote the smart upgrading of the operation and management of sports venues, improve the digital level of fitness and leisure activity scenes, and promote the transformation of sports manufacturing to "smart sports manufacturing". The digital transformation of sports industry still faces such problems as immaturity of key digital twin technologies, lack of data asset security mechanism, low degree of digitization of sports industry, and insufficient cognition of the concept of digital transformation of sports industry. It is necessary to strengthen the new digital infrastructure in sports industry, strengthen the security guarantee of digital twin system, establish a standard digital twin system management system, and strengthen the "demonstration effect" of digital twin application.

Key words: digital technology, digital twin, sports industry, digital transformation, application value