The present invention discloses an image anti-aliasing method and apparatus, where the method includes: acquiring a to-be-displayed image in a terminal; acquiring a current distance parameter of the terminal, where the current distance parameter is used to indicate a distance between an eye of a user of the terminal and a display screen of the terminal; determining a current anti-aliasing algorithm according to the current distance parameter by using a correspondence between a distance parameter and an anti-aliasing algorithm; and performing anti-aliasing processing on the to-be-displayed image according to the current anti-aliasing algorithm. In embodiments of the present invention, anti-aliasing processing is performed on a to-be-displayed image based on a distance parameter, that is, an anti-aliasing processing manner of the image is dynamically adjusted according to the distance parameter, which is more flexible when compared with the prior art.