A method and an apparatus for controlling a screen of a mobile device are provided. The method includes detecting an object from an image captured through an image sensor, detecting movement of a location of the object to move a location of the screen, and moving and displaying the screen according to the detected movement of the location of the object. According to the present disclosure, a screen can be moved and displayed according to movement of an object detected from an image captured by an image sensor. Accordingly, users can easily operate mobile devices of various sizes only with one hand.