The invention provides a UAV (unmanned aerial vehicle). The UAV comprises a vehicle body and an airflow propeller, wherein the vehicle body is provided with a central propeller boss, an airflow guide structure and an outer ring body, the inside of the airflow guide structure communicates between the central propeller boss and the outer ring part, the central propeller boss is provided with an airflow inlet, the outer ring part is provided with a plurality of side guide outlets correspondingly facing the gravity direction of the UAV, the airflow propeller is arranged in the central propeller boss and used for producing multiple jet airflows, so that the multiple jet airflows flow to the plurality of side guide outlets through the airflow guide structure to produce propelling force.