A mobile terminal including a first frame; a second frame including a third rear portion coupled to a rear face of the first frame and being movable in a first direction, and including a roller disposed at an end in the first direction of the third rear portion; a third frame coupled to a rear face of the third rear portion and being movable in the first direction; a flexible display panel surrounding the roller and having one end on a front face of the first frame and another end disposed on the third frame; a driving unit configured to drive the second frame from the first frame in the first direction or in a second direction reverse to the first direction; and a spring member connecting the second frame to the third rear portion of the second frame and configured to provide a constant force in the second direction to the third frame.