PROBLEM TO BE SOLVED: To confirm whether or not a treatment adapter is fixed at a predetermined position corresponding to an ultrasonic wave probe, without performing irradiation with a treatment ultrasonic wave.SOLUTION: There is provided an ultrasonic wave diagnosis treatment system 100 comprises: an ultrasonic wave probe 1 which includes an insertion unit in an elongated shape capable of being inserted to the inside of a body cavity and a diagnosis ultrasonic wave oscillator 27 built in the insertion unit to generate a diagnosis ultrasonic wave a housing detachably attached to the ultrasonic wave probe 1 a treatment adaptor 3 which is fixed on the housing and includes a treatment ultrasonic wave oscillator 37 for generating a treatment ultrasonic wave a position determination unit 55 for determining whether or not the treatment adaptor 3 is fixed at a predetermined position corresponding to the ultrasonic wave probe 1 and a display unit 9 for reporting information on a fixation state of the treatment adaptor 3 corresponding to the ultrasonic wave probe 1, on the basis of a result of the determination by the position determination unit 55.
