Abstract:As a very important potato processing product，dehydrated potato granules and flakes powder is widely recognized as a nutritious food in the world.Dehydrated potato granules and flakes powder is mainly used as the raw and auxiliary material to produce potato convenience food.It is the basis of other food processing.It is widely used in the processing and manufacturing process of convenient food，quick frozen food and conditioning food.Its industry started late in China，but it has developed rapidly in recent years.The application of dehydrated potato granules and flakes powder and its processing technology in recent years were summarized，as well as the analysis and prospect for its industry.