According to one embodiment, a medical image diagnostic apparatus includes an image providing apparatus and control circuitry. The image providing apparatus provides an image from an image source for a subject placed on a couch top via a reflecting plate which reflects the image or a display which displays the image. The control circuitry performs at least one of control of illumination provided in an examination room or a gantry and control of a camera which photographs the subject placed on the couch top, according to attachment and detachment of the image providing apparatus or positioning of the image providing apparatus with respect to the couch top.
