An ultrasound diagnostic apparatus configured in a manner connectable to an ultrasound probe and an indicator includes: a transmission unit a reception unit a B mode image generation unit a C mode image generation unit and a display processing unit, wherein the C mode image generation unit compares the first C mode image data and second C mode image data generated before the first C mode image data, determines whether there is a noise part in the first C mode image data based on the comparison result, eliminates the noise part when there is the noise part in the first C mode image data, and generates a first C mode image based on the first C mode image data from which the noise part is eliminated.
