The fresh milk and yoghourt two-purpose plate type whole set sterilizing equipment is specially used for pasteurization of fresh milk and yoghourt. The plates and stainless steel pipes are made of high quality SUS304 stainless steel. The temperature of material inlet is 5℃. The sterilization technology: fresh milk 95℃/15S and yoghourt 95℃/300S. The temperature of material outlet is 5℃/45℃. The steam system adopts SPIRAXSARCO steam pressure relief valve, regulating valve and Denmark TEMPRESS temperature sensor. The control cabinet adopts Japan Fuji temperature controller and schneider electric components. The system has such functions as high temperature alarm and low temperature return flow, which have strictly guaranteed that all discharged materials conform to the technology parameters as required.