The invention relates to a hydrokinetic ultrasonic jet flow homogenizer, which comprises a primary jet orifice, a primary fluid channel and a jet orifice bracket, wherein a spring leaf is arranged above the primary jet orifice; the tip part of the spring leaf is vertically opposite to the primary jet orifice; the other end of the spring leaf is fixed on a spring leaf bracket through a fixed bolt;two sides of the primary jet orifice are provided with symmetrical secondary jet orifices respectively; a secondary fluid channel is arranged in the jet orifice bracket around the primary fluid channel; the secondary fluid channel is communicated with the secondary jet orifice; and the secondary fluid channel is communicated with the outside through a pipeline passing through the jet orifice bracket. The hydrokinetic ultrasonic jet flow homogenizer can generate high sound intensity ultrasonic waves and generate a high temperature under the action of the high sound intensity ultrasonic waves, improves the mixed ability of a primary fluid and a secondary fluid, reduces the atomization particle size of the fluids, promotes chemical reactions, accelerates the mutual infiltration capacity among various fluids, accelerates the mixing process, and improves the mixing evenness.