A method and apparatus for rendering a game image are disclosed. The method includes: acquiring a control meeting a preset transparency; generating a mesh model according to the control; synchronously loading the mesh model corresponding to the control in the process of displaying the control on a game image; and respectively rendering pixels of an area which is not covered by the mesh model and pixels corresponding to the control on the game image. The present disclosure solves the problem that pixel culling and rendering cannot be performed on a game image covered by a UI control under the architecture of game engine in the related art.