This series adopts cyclical water as sterilization heating carrier and carry out water-pouring sterilizing operation for articals. During the whole working course, superheated water operates in a relatively sealing cyclical system, which has series of advantages, high heat efficiency, good temperatue evenness, stable temperature adjusting range, etc. It can be applied widely to high-and-low temperature sterilizing operation on liquid in glass bottles. Ampoule bottles, plastic bottles, plastic packs, etc, in pharmaceutics. Meanwhile, it is also suitable for foodstuff industry to sterilize all kinds of sealing package, drinks, cans.