A surgical medical imaging system includes a second image processing device that acquires a first surgical image signal being a surgical image signal subjected to first image processing, from a medical imaging device including an imaging device and a first image processing device performing the first image processing on the surgical image signal captured by the imaging device, and performs second image processing on the first surgical image signal; and a third image processing device that acquires the first surgical image signal and a second surgical image signal being a surgical image signal subjected to the second image processing, performs third image processing on at least one of the first surgical image signal and the second surgical image signal, and generates a display image signal by conversion processing based on the first and the second surgical image signals, in which the first, second, and third image processing are different.