The hollow and internal circulation kneader mixing paddle is composed of a kneader mixing paddle shaft, a blade body, a blade surface, a compensator, and an internal circulation flow channel cavity; the mixing paddle shaft and the blade body are connected to each other. Compensators are set up on both sides, leaving S-shaped flow passages in the blade body and hermetically sealed paddle surfaces with stainless steel plates to create an internal circulation cavity. The above internal circulation cavity is at least one circulation system drying tank. The above-mentioned internal circulation cavity is interconnected with the safety channel of the circulation system in the paddle shaft; because the internal circulation cavity is set up and interconnected with the circulation system holes in the kneader mixing shaft, the temperature of the mixed collagen material can be further improved. Control, and reduce the frictional resistance of the mixing; because the tightness of the blade surface of the kneader is wrapped on the outer surface of the blade body, and can bear a certain working pressure, so that the production can be trusted; because of reasonable configuration, easy to use and environmental protection Energy saving, so it has a great value for use and marketing promotion. Kneading machines, as the more commonly used mixing rubber machinery and equipment in contemporary chemical industry, have increasingly replaced the worn-out production and processing processes; many different production processes have different regulations on the working conditions of the kneading machines. Control, feeding method, liner material, and driver output power; today's invention patents have created a very good processing method for temperature control; traditional kneaders use U-jacket heating and cooling, which are unknown Some large and medium-sized kneading models have uneven heating or cooling conditions, and it is found that the small total heat transfer area is the reason for this. Everyone knows that the height of the thermal efficiency is directly proportional to the total heat transfer area and thermal power. Based on this basic principle, Enso technical engineers have created and invented this type of hollow blades from the perspective of improving the total heat transfer area. Such blades can be based on hot and cold substances (water, steam, high-temperature heat-conducting oil). The hot and cold material touched the reflected raw materials through the flow channel on the surface of the blade, and achieved the actual effect of rapid heat exchange. Manufacturing yield report display information, such methods greatly enhance the heat efficiency, reducing the mix and reaction speed, improved productivity, and also significant savings in production costs.