The invention discloses a pump core with the speaking structure and a use method thereof. The pump core comprises a driving part, a connecting shaft connected to an output shaft of the driving part, ablade fixing cylinder connected to the surface of the connecting shaft and blades connected to the surface of the blade fixing cylinder and further comprises a speaking device and a fountain device,the speaking device comprises an end cover fixing cylinder, the centers of the top end and the bottom end of the end cover fixing cylinder are rotatably arranged on the outer surfaces, close to the top end and the middle, of the connecting shaft, the outer surface, close to the top end, of the connecting shaft is fixedly connected with a rotating fixing cylinder, the rotating fixing cylinder is arranged in the end cover fixing cylinder correspondingly, a convex block is arranged on the outer surface of the rotating fixing cylinder in a sliding manner, and a knocking rod is rotatably connectedto the inner wall of the side face of the end cover fixing cylinder. In the pump motion process, the knocking rod drives a knocking block to knock a soundboard, beautiful music can be sent out, work sentiment is increased, if a pump is damaged, the music and the fountain can be changed, and a worker can carry out maintaining conveniently in time.