components radiated by the respective piezoelectric transducers 32 1 and 32 2 are overlapped and act at predetermined depth because of the inclination of the piezoelectric transducers 32 1 and 32 2 the ultrasonic wave in which the double frequency component is superimposed on one frequency component acts on the part to be remedied 60 cavitation is effectively caused and medicine mainly made of an alkylated derivative of rose bengal which is xanthene dye can be effectively utilized from the viewpoint of intensity difference in intensity is made and acoustic intensity on the skin can be reduced such as the skin is irradiated at the intensity of approximately 5 w cm 2 by independently irradiating from two directions however a tumor part the part to be remedied 60 is irradiated at the intensity of approximately 10 w cm 2 anti tumor effect can be acquired inhibiting the biological reaction of the following ultrasonic waves on the skin by radiating ultrasonic waves having a specific frequency and its double frequency from plural sound sources and configuring so that each wave is substantially not overlapped on the skin and is overlapped in a tumor region as described above in the description referring to fig7 in the second embodiment the ultrasonic wave radiating apparatus 100 shown in fig2 and the unit ultrasonic radiator 10 shown in fig5 respectively in the first embodiment are not described however it is evident that in the second embodiment an ultrasonic wave radiating apparatus 100.