Terrain aerial photography surveying method and aerial photography aircraft

The invention relates to the technical field of terrain survey, and discloses a terrain aerial photography survey aircraft used for executing a terrain aerial photography survey method.The aircraft comprises a left side aircraft body, a right side aircraft body and a plurality of middle aircraft bodies, and the multiple middle aircraft bodies are assembled between the left side aircraft body and the right side aircraft body in a spliced mode to form a linear structure; cameras for aerial photography are arranged at the belly parts of the left body and the right body; and a distance measuring device for distance detection is arranged at the belly part of the middle body. The invention further provides a terrain aerial photography survey method, manual survey is not needed, the survey cost can be effectively reduced, the survey efficiency is improved, the survey accuracy is higher, a more visual terrain and landform color three-dimensional diagram can be established, analysis and evaluation of the terrain and t