The invention provides an image pickup unmanned aerial vehicle capable of changing lenses automatically. The image pickup unmanned aerial vehicle comprises an unmanned aerial vehicle body, a lens conversion module and an image pickup mechanism and is characterized in that the lens conversion module is fixedly installed in the unmanned aerial vehicle body through a first servo motor; the image pickup mechanism is fixedly installed on the lower end surface of the unmanned aerial vehicle body; the unmanned aerial vehicle body comprises a unmanned aerial vehicle frame, a control module, two wings, three rocket engines, two first joints, a second joint and a fuel tank; the control module is fixedly installed at the front end of the unmanned aerial vehicle frame; and the two wings are fixedly installed on the two sides of the unmanned aerial vehicle frame. The image pickup unmanned aerial vehicle is provided with the multiple lenses capable of being changed automatically and is good in shooting quality and high in mobility.