Network engineering is a comprehensive subject with wide application. The application scope and future application scenarios of university network engineering specialty are very extensive, which can be divided into the following aspects: First, Internet services. Internet service is the most direct and common application field of network engineering specialty, involving website development, network application, online games, online socialization, online media, online education and many other aspects. The second is e-commerce. E-commerce is another important application field of network engineering, involving e-commerce platform construction, e-commerce system development, e-commerce security and many other aspects. The third is the Internet of Things. Internet of Things is a new technical field and an important application field of network engineering, involving smart home, intelligent transportation, intelligent medical care and many other aspects.