In recent years, the development of the 5G industry has brought high growth and new business opportunities for the upper, middle and lower reaches of Taiwan’s electronics industry. With the large increase in capital expenditures of 5G in various countries, the 5G open-architecture telecommunications equipment, the so-called 5G solution for open networking, also gives Telecom operators have a more flexible and efficient choice. In addition to this, the greater business opportunities of 5G networks lie in the application and integration business opportunities of cross-domain enterprise private networks. This research starts with research on technology and market trends, and uses company I The 5G team’s business creation as an example, to discuss the transformation process of a case from an electronics foundry to a 5G private network solution provider or system integrator. During the research process, we analyze it from the perspective of strategic innovation management and give some suggestions.