A mixed reality space image providing apparatus configured to provide a user with a mixed reality space image in which a virtual object image is superimposed on a real space image is provided includes a selection unit configured to select simulation processing from among a plurality of types of simulation processing based on an instruction from the user, a simulation processing unit configured to perform the simulation processing selected by the selection unit with respect to the virtual object image, and a providing unit configured to generate a mixed reality space image by superimposing the simulation-processed virtual object image on the real space image and to provide the generated mixed reality space image to the user.