A method for zooming screen, an electronic apparatus and a computer readable medium using the same are provided. The method is adapted to an electronic apparatus having a touch screen. Firstly, a zooming gesture is detected by utilizing the touch screen. Next, a screen object acted by the zooming gesture on the touch screen is searched. Afterwards, a specific part of the screen object and a screen edge of the touch screen are used as a reference to zoom all of objects displayed in a screen of the touch screen, such that a height of the specific part of the screen object is constantly maintained during zooming the screen.