An electronic device, comprising: a cover glass , comprising a first side and a second side opposing to the first side ; and an ultrasonic wave transmitter and an ultrasonic wave receiver , arranged to face the second side of the cover glass , wherein an orthographic projection of the ultrasonic wave transmitter onto the cover glass and an orthographic projection of the ultrasonic wave receiver onto the cover glass are located at two opposing ends of the cover glass , the ultrasonic wave transmitter is configured to emit an ultrasonic wave; and when fingerprint identification is being performed, the ultrasonic wave transmitter is configured to transmit the ultrasonic wave into the cover glass at one end of the cover glass , the first side and the second side of the cover glass are configured to reflect the ultrasonic wave , and the ultrasonic wave receiver is configured to receive the ultrasonic wave, the electronic device being characterized in that , the cover glass comprises a body portion and a guide portion , the body portion and the guide portion are integrally connected with each other; the first side and the second side are arranged on the body portion ; the guide portion is connected between the first side and the second side and has a guide face ; and the guide face is inclined to the first side and is configured to direct the ultrasonic wave in or out of the body portion by reflecting the ultrasonic wave. a cover glass , comprising a first side and a second side opposing to the first side ; and an ultrasonic wave transmitter and an ultrasonic wave receiver , arranged to face the second side of the cover glass , wherein an orthographic projection of the ultrasonic wave transmitter onto the cover glass and an orthographic projection of the ultrasonic wave receiver onto the cover glass are located at two opposing ends of the cover glass , the ultrasonic wave transmitter is configured to emit an ultrasonic wave; and when fingerprint identification is being performed, the ultrasonic wave transmitter is configured to transmit the ultrasonic wave into the cover glass at one end of the cover glass , the first side and the second side of the cover glass are configured to reflect the ultrasonic wave , and the ultrasonic wave receiver is configured to receive the ultrasonic wave, an orthographic projection of the ultrasonic wave transmitter onto the cover glass and an orthographic projection of the ultrasonic wave receiver onto the cover glass are located at two opposing ends of the cover glass , the ultrasonic wave transmitter is configured to emit an ultrasonic wave; and when fingerprint identification is being performed, the ultrasonic wave transmitter is configured to transmit the ultrasonic wave into the cover glass at one end of the cover glass , the first side and the second side of the cover glass are configured to reflect the ultrasonic wave , and the ultrasonic wave receiver is configured to receive the ultrasonic wave, the electronic device being characterized in that , the cover glass comprises a body portion and a guide portion , the body portion and the guide portion are integrally connected with each other; the first side and the second side are arranged on the body portion ; the guide portion is connected between the first side and the second side and has a guide face ; and the guide face is inclined to the first side and is configured to direct the ultrasonic wave in or out of the body portion by reflecting the ultrasonic wave. <EOS>