Mobile Communication Technology is one of the fastest developing technologies in recent decades, which is also related to every aspect of people's life. At present, China has entered the information age, smart terminal equipment into people's lives, such as: smart phones, smart appliances, which also promotes the development of mobile communication technology. In view of this, the author mainly takes mobile communication technology and its development as the research object, starting from the application fields of mobile communication technology, expounds the renewal process of mobile communication technology, and then explains the principle of mobile communication technology, the practical application prospect of mobile communication technology is discussed.