To provide an ultrasonic system and a method for providing an ultrasonic space combined video based on a virtual common point where a plurality of scanning lines are extended and cross.

The ultrasonic system has an ultrasonic data obtaining section including an ultrasonic probe including a plurality of converting elements, transmitting ultrasonic signals to an objective body along the plurality of scanning lines, receiving ultrasonic echo signals reflected from the objective body, and obtaining ultrasonic data corresponding to a plurality of ultrasonic images respectively, is connected to the ultrasonic data obtaining section, sets the virtual common point where the plurality of scanning lines are extended and cross, sets the plurality of center lines corresponding to the plurality of ultrasonic videos based on the virtual common point, sets the plurality of scanning lines corresponding to the plurality of ultrasonic videos respectively by moving the virtual common point onto the plurality of center lines, forms the plurality of ultrasonic videos using the ultrasonic data, and forms the ultrasonic space combined videos spatially combining the plurality of ultrasonic videos.