A method of obtaining an ultrasound image, the method including: obtaining a bio cycle of an examinee comprising at least one section setting an ultrasound mode corresponding to each of the at least one section of the bio cycle or a beam forming method transmitting an ultrasound signal to an object of the examinee according to the set ultrasound mode or beam forming method, receiving an echo signal from the object, and obtaining ultrasound data and generating an ultrasound image of the object by using the obtained ultrasound data.