An ultrasonic probe and an ultrasonic detecting device provided with the ultrasonic probe. The ultrasonic probe includes: an ultrasonic transducer array configured to transmit and receive ultrasonic waves； a conducting device disposed at the front end of the ultrasonic transducer array, and the conducting device includes a fluid chamber filled with fluid. The fluid chamber has an opening and an energy receiving port which are in communication with each other, and the opening is disposed on a front surface of the conducting device and covered by an elastic film； an energy applying device, connected to the energy receiving port to apply energy to the fluid within the fluid chamber to make the elastic film vibrate so as to generate a shear wave.
