A ultrasonic imaging apparatus comprises an ultrasonic probe including a plurality of ultrasonic transducers which perform ultrasonic transmission and reception to an object, a transceiver unit configured to obtain an ultrasonic signal from the object by driving the plurality of ultrasonic transducers, an ultrasonic data generation unit configured to generate ultrasonic data based on the ultrasonic signal, a time information generation unit configured to generate time information related to the ultrasonic transmission or reception and a time information addition unit configured to add the time information in a part of pixel data of the ultrasonic data in order to synchronize the Image data with biomedical signal, such as ECG.