The utility model discloses a novel ultrasonic guidance uses controllable tapping device, which comprises a housing, the casing left end is connected with needle sheath, be provided with the drainagetube in the casing, the drainage tube right -hand member is connected with the injection syringe through the seal cover, the injection syringe left end is provided with the nook closing member, the nook closing member inserts in drainage tube and the needle sheath, the inside injection push rod that is provided with of injection syringe, be connected with the fluid -discharge tube on the injectionsyringe, be provided with class a speed adjusting festival ware and imbibition opening in the fluid -discharge tube, the fluid -discharge tube is connected with liquid accumulation box, through connect a fluid -discharge tube on the injection syringe for inside hydrops is after inhaleing the injection syringe, and the imbibition opening that passes through that can be fine uses suction device totake inside hydrops out, and carries out the hydrops through liquid accumulation box and concentrate and retrieve, and liquid accumulation box conveniently emptys inside liquid through the pouring opening that the slope set up, makes the liquid accumulation box can repetitious usage, and environmental protection more is worth promoting.