Disclosed are an ultrasound system and method of providing direction information of an object of a fetus. The ultrasound system includes an ultrasound data acquirer that transmits an ultrasound signal to an object including a fetus, and acquires ultrasound data by receiving an ultrasound echo signal reflected from the object, a processor that generates an ultrasound image with the ultrasound data, a display that displays the ultrasound image on a screen, and a user input unit that receives a user command for setting position information of the fetus corresponding to a posture of the fetus based on the ultrasound image. The processor sets direction information, indicating the posture of the fetus, on the screen in response to the user command.