A method and system for obtaining an additional image for perfusion confirmation using a contrast enhancement MRA image is disclosed. According to an embodiment of the present invention, the method comprises the steps of: (S10) obtaining an MRA image for a target object composed of a plurality of image frames using an MRI apparatus; (S20) determining at least one target image frame among the image frames; (S30) determining at least one reference image frame corresponding to the at least one target image frame among the image frames; (S40) subtracting data of a corresponding reference image frame from data of each target image frame to calculate at least one difference data; And (S50) obtaining at least one cross-sectional image of a region of interest of the object based on the respective difference data.
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