The display method includes obtaining a target image showing a target region including a surface in a real space having the target region and a display, and displaying, on the display, a first simulation image including the target image and a first display image which is superimposed on the target image and fits within the display irrespective of a position of the display in real space, the first display image being obtained by viewing an image projected on a virtual plane corresponding to the surface from a virtual projector in a virtual space, the virtual plane being located at a first position corresponding to a position of the surface in the real space, from a second position corresponding to the position of the display in the real space.