An ultrasound diagnostic apparatus comprising: an ultrasound probe; an imaging section configured to perform transmission and reception of an ultrasound beam between a subject and the ultrasound probe and to image the subject on the basis of a reception signal output from the ultrasound probe to generate an ultrasound image; an image analysis section configured to perform image analysis using the ultrasound image generated by the imaging section; a movement detection sensor that is attached to the ultrasound probe and is configured to detect a movement of the ultrasound probe to output the movement as a detection signal; a movement amount calculation section configured to calculate a movement amount of the ultrasound probe when the number of frames of ultrasound images generated by the probe becomes equal or greater than a predetermined number (F s), in a case where an imaging inspection portion that is currently being imaged among a plurality of inspection portions of the subject is inspected, using the detection signal output from the movement detection sensor; a portion discrimination section that is configured to discriminate the imaging inspection portion on the basis of an image analysis result in the image analysis section and the movement amount calculated by the movement amount calculation section; and an imaging condition setting section that is configured to set an imaging condition corresponding to the imaging inspection portion discriminated by the portion discrimination section, wherein the imaging section is configured to generate the ultrasound image in accordance with the imaging condition set by the imaging condition setting section. an ultrasound probe; an imaging section configured to perform transmission and reception of an ultrasound beam between a subject and the ultrasound probe and to image the subject on the basis of a reception signal output from the ultrasound probe to generate an ultrasound image; an image analysis section configured to perform image analysis using the ultrasound image generated by the imaging section; a movement detection sensor that is attached to the ultrasound probe and is configured to detect a movement of the ultrasound probe to output the movement as a detection signal; a movement amount calculation section configured to calculate a movement amount of the ultrasound probe when the number of frames of ultrasound images generated by the probe becomes equal or greater than a predetermined number (F s), in a case where an imaging inspection portion that is currently being imaged among a plurality of inspection portions of the subject is inspected, using the detection signal output from the movement detection sensor; a portion discrimination section that is configured to discriminate the imaging inspection portion on the basis of an image analysis result in the image analysis section and the movement amount calculated by the movement amount calculation section; and an imaging condition setting section that is configured to set an imaging condition corresponding to the imaging inspection portion discriminated by the portion discrimination section, wherein the imaging section is configured to generate the ultrasound image in accordance with the imaging condition set by the imaging condition setting section.