In the past, eight out of ten people engaged in drones were aviation, pneumatic, mechanical backgrounds, and more about how to make the aircraft fly stably, fly faster, and fly higher. Nowadays, with the development of chips, artificial intelligence, and big data technology, drones have begun to become intelligent, terminal, and clustered, and a large number of professionals in automation, mechanical electronics, information engineering, and microelectronics have been invested in the tide of UAV research and development. In just a few years, drones have moved from remote military applications into the homes of ordinary people, allowing laymen to learn for short periods of time and also to reliably fly for entertainment. There is no denying that the development of flight control technology is the biggest driver of UAV changes in this decade.