Mobile device having both-sided display with dual mode and method for switching display screen thereof

A mobile terminal having dual-mode double-sided display units and a method for changing a screen image of the display units are provided to variably display screen images according to a multimedia function and a screen state of a rear display unit by providing an optimum multimedia environment. Main bodies are combined to be rotatable. A front display unit(110) is formed on a front surface of one of the main bodies, provides a multimedia mode, and has a relatively large screen size. A rear display unit(120) is formed on a rear surface of one of the main bodies, provides a general mode, and has a relatively small screen size. When a request for executing a multimedia function is received in a state that the rear display unit is in an ON state, a screen control module(162) turns off the rear display unit and turns on the front display unit to display a screen image for executing the multimedia function on the front display unit.