A portable terminal, comprising: a lower body; an upper body connected to the lower body, the upper body being slidably moveable in a first direction with respect to the lower body between a closed position and an open position; a first moving unit connected between the upper body and the lower body to move the upper body in a second direction different from the first direction; a slide module located between the upper body and the first moving unit, the slide module slidably connecting the upper and lower bodies to each other, wherein the first moving unit comprises: a link member having a first end and a second end; and a linkage operator, the portable terminal characterized in that the first end is connected to the slide module at a first connecting point and that the linkage operator is connected to the link member, said linkage operator having a first operation member connected to the link member, the first operation member being configured to move the first connecting point by rotating the link member; and a second operation member pivotally connected to the first operation member, the second operation member being configured to move the first operation member during the sliding motion of the upper body, wherein the slide module includes: an upper slide member connected to the upper body; and a lower slide member slidably connected to the upper slide member, the lower slide member being connected to the first moving unit, wherein the second end is connected to the first operation member at a second connecting point, the link member being pivotable about the second connecting point, wherein the upper body includes a push protrusion configured to move the second operation member by pushing the second operation member during the sliding motion of the upper body, wherein the lower body further comprises a supporting frame configured to support the link member, the first operation member, and the second operation member, the supporting frame having a first slot portion arranged perpendicular to the first direction, the first slot portion being adapted to guide the first connecting point toward and away from the lower body and a second slot portion extending from the first slot portion in a lateral direction of the lower body, the second slot portion being configured to guide the movement of the second connecting point, wherein the second operation member is rotatably mounted on the supporting frame to cause the first operation member to be displaced in a straight line. a lower body; an upper body connected to the lower body, the upper body being slidably moveable in a first direction with respect to the lower body between a closed position and an open position; a first moving unit connected between the upper body and the lower body to move the upper body in a second direction different from the first direction; a slide module located between the upper body and the first moving unit, the slide module slidably connecting the upper and lower bodies to each other, a link member having a first end and a second end; and a linkage operator, the portable terminal characterized in that the first end is connected to the slide module at a first connecting point and that the linkage operator is connected to the link member, said linkage operator having a first operation member connected to the link member, the first operation member being configured to move the first connecting point by rotating the link member; and a second operation member pivotally connected to the first operation member, the second operation member being configured to move the first operation member during the sliding motion of the upper body, wherein the slide module includes: an upper slide member connected to the upper body; and a lower slide member slidably connected to the upper slide member, the lower slide member being connected to the first moving unit, wherein the second end is connected to the first operation member at a second connecting point, the link member being pivotable about the second connecting point, wherein the upper body includes a push protrusion configured to move the second operation member by pushing the second operation member during the sliding motion of the upper body, wherein the lower body further comprises a supporting frame configured to support the link member, the first operation member, and the second operation member, the supporting frame having a first slot portion arranged perpendicular to the first direction, the first slot portion being adapted to guide the first connecting point toward and away from the lower body and a second slot portion extending from the first slot portion in a lateral direction of the lower body, the second slot portion being configured to guide the movement of the second connecting point, wherein the second operation member is rotatably mounted on the supporting frame to cause the first operation member to be displaced in a straight line.