The utility model discloses an unmanned aerial video device based on many cameras, including the unmanned aerial vehicle body, the bottom symmetry of unmanned aerial vehicle body is equipped with the support, the both sides of unmanned aerial vehicle body are equipped with the spiral arm, the internally mounted of spiral arm has drive arrangement, drive arrangement's upper portion output is equipped with the screw machine wing, the inner chamber bottom of unmanned aerial vehicle body is equipped with the battery, the inner chamber upper portion of unmanned aerial vehicle body is equipped with mobile terminal, the unmanned aerial vehicle body is equipped with flexible groove, constant head tank with support contact department, be equipped with the spacing arch of spring between flexible groove and the constant head tank, the upper portion of support is equipped with the spacing arch of support, damping spring has been cup jointed on the upper portion of support, the utility model discloses accomplish the task descending ground of taking photo by plane at unmanned aerial vehicle, support contact ground, the spacing protruding extrusion damping spring of support, the spacing arch of damping spring extrusion spring, at this moment, the upper end of support is located the inside in flexible groove, and damping spring plays fine cushioning effect.