A non-contact ultrasound measurement device comprises: a first unit including an ultrasound transducer (10) adapted to transmit and receives an ultrasonic wave in a non-contact manner with respect to an object to be examined (E, S), the first unit being adapted to process an output signal from the transducer and measure a first characteristic of the object and a second unit including at least one of an observation unit (20) for observing the object from front in a non-contact manner and a measurement unit (60, 100) for measuring a second characteristic of the object from front in a non-contact manner, wherein the transducer comprises: an aperture (15) being provided in the central part of the transducer and having a sufficient size to be utilized for observation or measurement of the object by the second unit, and a transmitting and receiving part (11) of the ultrasonic wave being provided to surround the aperture.