Unmanned aerial vehicle based on motor driving

The utility model relates to a motor-driven unmanned aerial vehicle which comprises a vehicle body, a plurality of vehicle arms arranged on the vehicle body and a plurality of power assemblies, each power assembly is arranged at the free end of one vehicle arm, each power assembly comprises at least four electric fans and a supporting frame, the supporting frame is arranged on the vehicle arms, and when observed in the first direction, the supporting frame is arranged on the vehicle arms; the at least four electric fans are arranged around the center of the supporting frame in a circumferential array mode. Each power assembly is arranged at the free end of the corresponding vehicle arm and comprises at least four electric draught fans and a supporting frame, the supporting frames are arranged on the vehicle arms, and the at least four electric draught fans are arranged around the center circumference of the supporting frames in an array mode when observed in the first direction. The electric fans are small, c