Provided is an ultrasonic treatment apparatus provided with: a treatment-ultrasonic-wave irradiator that irradiates the biological tissue with focused ultrasonic waves, thus heating the vicinity of a focal point of the focused ultrasonic waves at a deep portion of the biological tissue to a temperature that is equal to or greater than a thermal-denaturation temperature of the biological tissue and a pre-heating-energy irradiator that irradiates the biological tissue with energy waves, thus heating the vicinity of the focal point to a temperature that is less than the thermal-denaturation temperature, wherein the pre-heating-energy irradiator irradiates the biological tissue with the energy waves from a direction different from the direction in which the treatment-ultrasonic-wave irradiator irradiates with the focused ultrasonic waves.
