The invention relates to a photoelectric detection integrated unmanned aerial vehicle including a body, a frame platform, a multi-rotor-wing unmanned aerial vehicle frame, and a plurality of propellers; the body is internally provided with a plurality of photoelectric detection devices, the side wall of the body is provided with a plurality of detection windows, and the photoelectric detection devices are arranged in a manner of aligning to the detection windows respectively; the frame platform is arranged on the top of the body in a connection manner; the multi-rotor-wing unmanned aerial vehicle frame is arranged on the frame platform in a connection manner, and rotor wings are arranged at internals evenly; the plurality of propellers are respectively correspondingly arranged on the rotor wings of the multi-rotor-wing unmanned aerial vehicle frame; the body, the frame platform, the multi-rotor-wing unmanned aerial vehicle frame and the propellers adopt an integrated structure; through the unmanned aerial vehicle, the photoelectric detection devices are carried to an aerial detection area, image shooting of a surrounding space environment is performed, and scene three-dimensional reconstruction is achieved. The unmanned aerial vehicle has the advantages of simple structure and convenient use, can effectively reduce the overall size of the unmanned aerial vehicle, can be applied to photoelectric detection in a narrow space and three-dimensional reconstruction, and has wide application range.