This creation discloses a kind of mini type high temperature instantaneously sterilising machine, the mini type high temperature instantaneously sterilising machine includes a heating tank, a discharge port, a feeding inlet, a floor heating system, a heating loop and a heat medium, with above-mentioned configuration, fluid or semi-fluid substance are pumped by feeding inlet into the heating loop of the sterilizer heating tank, high temperature instantaneous sterilization is carried out indirectly through the temperature controller substance, then flowing material is pumped to a container by discharge port and is stored. The mini type high temperature instantaneously sterilising machine has thorough Fungicidal substance, extends its pot-life, and saves the taste of substance, the function of preventing it rotten; In addition, also by the diminutive volume that it is improved, reducing the expensive disadvantage of known flash pasteurization machine while reaching above-mentioned purpose, making it suitable for using in common laboratory.本創作揭露一種小型高溫瞬間滅菌機,該小型高溫瞬間滅菌機包括一加熱槽、一出料口、一入料口、一底部加熱系統、一加熱迴圈以及一加熱介質,運用上述配置,將流體或半流體物質通過入料口泵向該滅菌機加熱槽之加熱迴圈中,透過該溫度控制器對流體物質間接進行高溫瞬間殺菌,再通過出料口將流體物質泵至一容器存放。該小型高溫瞬間滅菌機具有徹底殺菌物質,延長其保存期限,以及保存物質之味道,防止其變質之功能;此外,在達到上述目的的同時,也藉由其改良的小型體積,降低習知高溫瞬間滅菌機成本昂貴之缺點,使其適合在一般實驗室內使用。