Abstract: The study chose the yak beef grown in t he cold plateau prairie above the 3400meters altitude as the raw material by utilizing the advanced food process technologies,su ch as low temperature cooking,vacuumizing,two -times sterilization,vacuum rolling etc,some good quality soy sauce was used t o stew yak beef product which wasvacuum packed with a special flavored oil seasonin g package.Adding of 1percent herbal medicine to the stewing soup c ould make the product tender and succulent with moderate stiffness and good nourishment.All the above tech nology provides a new way for processing the yak beef product.

Key words: low temperature, yak, soy sauce stew, oil seasoning package, technology