The sterilizers are widely used in pharmaceutical and biological enterprise for the sterilization of bottled emulsion, suspension and other easy-to-precipitate pharmaceutical liquid, such as fat milk, vitamin milk, blood substitute, radiography milk,etc. It adopts hot water as working medium for heating and sterilizing packed lechdom by means of spraying, the moving process of sterilization results in a uniform heating, thus improves the quality of sterilization.