An ultrasonic diagnostic apparatus according to a present embodiment includes: a transmitting and receiving circuit configured to transmit an ultrasonic wave to an ultrasonic probe and receive a signal based on the ultrasonic wave received by the ultrasonic probe a generation circuit configured to generate multiple 2D image data in a chronological order based on the signal an acquisition circuit configured to acquire three-dimensional multiple position data of the ultrasonic probe an associating circuit configured to associate the multiple position data with the respective multiple 2D image data and a correction circuit configured to correct the multiple position data associated by the associating circuit.