The Dictionary of Radio and Television defines live broadcast as a broadcasting mode in which radio and TV programs are simultaneously broadcast. According to the broadcast occasion, it can be divided into live broadcast and studio or studio live broadcast.

With the development of Internet technology, the concept of live broadcast has been expanded and developed, and more people pay attention to live broadcast, especially the ecological chain of video live broadcast. Through network signals, people can watch sports events and other major events and news online, thus providing the public with a broad and free choice space.