Method and device for processing image

The invention discloses a method and a device for processing an image, which are used for increasing the display effect on a touch screen. The method comprises the following steps: obtaining a trigger event for a gesture instruction; confirming a position of the gesture instruction on the screen according to the obtained trigger event; and processing the image of a background picture according to a preset special effect category and outputting a special effect corresponding to the special effect category in the confirmed position. The invention also discloses the device for realizing the method.