The present invention relates to an underwater target tracking system, and more specifically, using an ultrasonic camera, so as to a system to track a desired target under water. According to the present invention, a method comprises: an underwater search step of performing underwater search with the ultrasonic camera, wherein a transducer of the ultrasonic camera of the underwater search step is made of a piezoelectric device, and a horizontal and a vertical beam width of each transducer are 20° and 43.8°.; a reception signal recognition step of recognizing a reception signal received from a front side; a selection step of allowing a user to select a desired target; a target recognition step of recognizing a reflective strength and amount, and a shadow length of the target; a signal restoration step of restoring reception signal distortion due to noise through a correction algorithm; and a step of moving the ultrasonic camera when a position is changed or moved.;COPYRIGHT KIPO 2017
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