An ultrasound probe is provided, which includes a transmitter, a receiver and a controller. The transmitter includes a signal receiving element. The transmitter includes a plurality of signal transmitting elements； there are included angles between each of the signal transmitting elements and the signal receiving element, and the included angles are different from each other. The controller is connected to the transmitter and the receiver； the controller sequentially drives the signal transmitting elements and the signal receiving element receives the echo signal of each signal transmitting elements. The controller makes a comparison among the echo signals and selects one of the signal transmitting elements as a target signal transmitting element according to the comparison result； then, the controller generates a measurement result according to the echo signal of the target signal transmitting element.
