To provide an image compositing print output device which enables print output of an image, where an image for composition is composed to a photographed image, without imposing load on a user.

This image compositing print output device is equipped with an input device 21, which receives photographed image data linked with information about compositing, a composite image storage, which stores a high resolution of composition image data fit for print specification to be used for image composition with these photographed image data, an image processor 54, which composites the photographed image data inputted as mentioned and the composition image data extracted from the composition image storage 30, and a print controller 55 which makes a composite image print by driving a print head 33 on the basis of the composite image data generated by the image processor.