Abstract: Provided is a mobile augmented reality video editing system including a real image input section configured to receive a real image through an image sensor, a spatial recognizer configured to separately recognize the ground surface and a space within the real image, an object extraction and display section configured to extract and display objects in the real image, an editing tool display section configured to display video editing tools to a user, a video processor configured to delete an object touched for deletion by the user among the extracted and displayed objects in the real image and correct horizontal lines constituting a region of the deleted object by substituting each of the horizontal lines with a pixel value of the same height in an adjacent space, and a screen display section configured to display the real image corrected by the video processor.