A user interface switching method, and an electronic device and a recording medium using the same are provided. First, a plurality of user interfaces are provided, and one of the user interfaces is displayed in a touch screen of the portable electronic device. A representative icon bar and a hot key bar are displayed in the touch screen, wherein the representative icon bar comprises representative icons respectively corresponding to the user interfaces and the hot key bar comprises one or more hot keys corresponding to the user interface currently displayed in the touch screen. When the touch screen detects a touch signal which falls within the representative icon bar and is moved therein, the representative icon bar is moved correspondingly, and the displayed user interface and hot keys are also switched according to the representative icon on which the touch signal is terminated.