An ultrasound apparatus includes: a data obtaining unit configured to obtain ultrasound data of an object a controller configured to generate an ultrasound image based on the ultrasound data, obtain blood flow information of the object by using a Doppler component obtained from the ultrasound data, and set a plurality of sample volume gates based on the blood flow information and a display configured to display the ultrasound image in which the plurality of sample volume gates are displayed. The ultrasound apparatus may reduce a processing time of the ultrasound apparatuses and simplify a users manipulation by obtaining an ultrasound image one time and providing a plurality of Doppler spectrums.
