10-200MHz。 The frequency of ultrasonic probe commonly used in clinic is between 10-200MHz, which generally refers to the frequency of ultrasonic. It is an acoustic wave and a mechanical wave, which can be used for medical diagnosis and treatment. Ultrasound examination is a non-surgical diagnostic examination, which mainly uses the physical characteristics of ultrasound to scan the cross section of a certain part of the human body, so as to obtain information such as tissue morphology.