The present specification relates to a portable device controlling an unmanned aerial vehicle and a method of controlling therefor. According to one embodiment, a method of controlling a portable device controlling an unmanned aerial vehicle capturing an image includes the steps of obtaining first image information of a target object using a camera unit, transmitting a capture control signal controlling image capture for the target object to the unmanned aerial vehicle, receiving second image information of the target object captured based on the capture control signal from the unmanned aerial vehicle and generating a 3D image corresponding to the target object using the first image information and the second image information.