A flexible portable terminal is provided. The flexible portable terminal includes a folding portion configured to bend at one end of a body of the flexible portable terminal in a direction to a front surface or a rear surface of the flexible portable terminal, a flexible display unit configured to be mounted on the body of the flexible portable terminal, and to bend in the front surface or the rear surface of the flexible portable terminal according to a bending direction of the folding portion, and a sliding portion configured to enable one end of the flexible display unit to slide according to a difference of a compression/tension caused by a difference of an elongation between the folding portion and the flexible display unit when the folding portion is bent.