A method for showing page flip effect of touch panel comprises detecting a two-point touch event generated at the touch panel for defining a first touch position and a second touch position. The touch panel is determined into a first active area comprising the second touch position and a second active area comprising the first touch position according to the first touch position and the second touch position. When the first touch position continuously locates at the touch panel, the second touch position disappears and the first touch event is generated at the first active area, a corresponding first page flip event is executed. When the second touch position continuously locates at the touch panel, the first touch position disappears and the second touch event is generated at the second active area, a corresponding second page flip event is executed.