A blood flow dynamic analysis apparatus for analyzing the dynamic state of a blood flow of a subject using data about a plurality of frame images acquired from the subject with a contrast agent injected therein, includes a map creation device for creating maps each indicative of a characteristic amount related to the dynamic state of the contrast agent or the blood flow, based on the data about the frame images, an unaffected side detection device for detecting an unaffected side of the subject from within each of the maps, and a display condition determination device for determining a display condition used when each of the maps is displayed, based on pixel values of pixels existing in the unaffected side in the map.