UAVs are very popular now, and they are used in various fields. The remote-controlled aircraft we see in our daily lives are also a kind of drones. On the Internet, we can see all kinds of drone equipment, most of which are equipped with cameras. But with the popularity of remotely controlled drones, more and more terrorists use drones to carry out terrorist attacks, hang bombs on drones and fly to designated locations. Its spread is not only an accomplice in terrorist attacks, but also news reports that drones are used to transport drugs and other contraband to prisons. The popular drone aerial photography function may bring different visual experiences and effects, but it is most likely to be your privacy, candid photography, or even to monitor all your actions. In addition, its flight disorder has also brought certain problems to social security management. Therefore, no-fly zones will be established in airports and other places.