Unmanned aerial vehicle inspection defect identification method, device and equipment for overhead line and medium

The invention relates to an overhead line unmanned aerial vehicle inspection defect identification method and device, equipment and a medium. The method comprises the following steps: determining feature point information based on an aerial image of tower equipment; determining a flight direction based on the feature point information and a position relationship between preset feature points; controlling the unmanned aerial vehicle to fly based on the flight direction, and acquiring an aerial image of the next tower equipment until the feature point information of all the part points is acquired; determining a route based on all feature point information, and determining the position of a photographing point according to the route; shooting a plurality of fixed-point shot photos according to the position of the positioning shooting point; and performing defect identification based on the plurality of fixed-point shot pictures, and returning defect detailed information to the server. The route is automatically