To improve operability so as to promptly execute required measurement and to shorten the time required for diagnosing by selecting a case.

In this ultrasonograph, measurement contents and/or measurement items are registered for the respective cases beforehand in a measurement registration memory part 18 for the respective cases, and by selecting the registered case, the measurement contents and/or the measurement items corresponding to the selected case are displayed on the touch command screen 17 of an operation part 20 or the like. Thus, since the measurement contents and the measurement items required for the respective cases are clearly displayed and the measurement is executed by successively selecting them, the operability is improved, the required measurement is quickly executed and the burdens of a patient and an operator such as a doctor are reduced.