an ultrasound probe comprising a vibrator and a transducer, wherein, the vibrator is configured to drive the transducer to vibrate to generate a shear wave that propagates to inside of a biological tissue that contains one or more blood vessels, the transducer comprises multiple elements, and at least part of the multiple elements are configured to transmit a first ultrasound wave to the biological tissue before the transducer vibrates and to receive echoes of the first ultrasound wave returned from the biological tissue to obtain echo data of the first ultrasound wave, and to transmit a second ultrasound wave to a region of interest in the biological tissue when the transducer vibrates and to receive echoes of the second ultrasound wave returned from the biological tissue to obtain echo data of the second ultrasound wave;

a transmitting/receiving sequence controller configured to output a first transmitting/receiving control sequence to the transducer before the transducer vibrates to control the transducer to transmit the first ultrasound wave and to receive the echoes of the first ultrasound wave, and output a second transmitting/receiving control sequence to the transducer when the transducer vibrates to control the transducer to transmit the second ultrasound wave and to receive the echoes of the second ultrasound wave, wherein, the first transmitting/receiving control sequence is for at least obtaining an ultrasound image of the biological tissue and determining a location of the one or more blood vessels based on the ultrasound image of the biological tissue, the second transmitting/receiving control sequence is for obtaining a transient elasticity result of the region of interest within the biological tissue, the region of interest is smaller than the biological tissue and avoids the location of the one or more blood vessels, and the second transmitting/receiving control sequence is determined according to the region of interest, wherein the region of interest is determined by displaying an editable selection box on the ultrasound image and adjusting a height, width, and position of the selection box;

a data processor configured to generate ultrasound image data according to the echo data of the first ultrasound wave and to calculate the transient elasticity result of the region of interest according to the echo data of the second ultrasound wave, wherein the data processor is configured to generate the ultrasound image data by generating the ultrasound image including a B-mode image and a C-mode image, and superimposing the B-mode image and the C-mode image to generated a superimposed image, wherein superimposing the B-mode image and the C-mode image comprises corresponding structures in the B-mode image in physical locations to blood flow in the C-mode image such that the blood flow is inside the one or more blood vessels, wherein the region of interest is selected to avoid the location of the one or more blood vessels on the superimposed image;

a display configured to display the ultrasound image on a display interface according to the ultrasound image data and display the transient elasticity result; and

a controller connected to the vibrator, the transmitting/receiving sequence controller and the display, and configured to receive an instruction comprising at least an instruction for obtaining the transient elasticity result from the display, to control a timing of outputting a vibration control sequence to the vibrator and a timing of outputting the second transmitting/receiving control sequence to the transducer by the transmitting/receiving sequence controller, and to control the vibration control sequence and the second transmitting/receiving control sequence to be output simultaneously, such that the vibration control sequence and the second transmitting/receiving control sequence cooperate with each other,

wherein the ultrasound probe further comprises a pressure sensor connected to the controller, and the controller is further configured to determine whether the transient elasticity result is credible by using a detection result of the pressure sensor representing a shape and amplitude of an actual vibration waveform.