By briefing the development history，research hotspot, market environment and application status of civil Unmanned Aerial Vehicle (UAVs), point out the role and status of UAVs in the development of new technologies and emerging industries. According to different application areas, Civil UAV systems and key technologies were classified, showing the domestic and foreign civil UAV research and application of the status quo, the main business-related products and applications. The key technologies such as flight control technology and signal transmission were analyzed. By breaking through the key technologies and industry standards based on the prediction of future, civilian UAV in the field of related industries have more extensive application.