To provide an ophthalmic surgical microscope system, in which a surgical microscope provided with an eye examination attachment module can be position-adjusted using a single operation unit by an ophthalmologist so that the fundus can be observed clearly with favorable contract and high light intensity.

The surgical microscope 101 is provided with a first drive part 112 to perform height adjustment of the surgical microscope 101 as it is received in a carrier 109 in a height-adjustable way so as to adjust an action interval 124 between the surgical microscope 101 and the eye 120 of a patient. The ophthalmic surgical microscope system 100 includes the eye examination attachment module 114 provided with an eye examination loupe system 116 that is position-adjustable. The action interval between an eye examination loupe and the eye 120 of the patient is adjustable by use of a second drive part 117. A drive connection part 123 is provided to connect the first drive part for performing height adjustment of the surgical microscope 101 to the second drive part for performing position adjustment of the eye examination loupe system 116.