The food freeze-drying box adopts vacuum freeze-drying technology to rapidly freeze food in a low-temperature environment and remove moisture through sublimation. It can retain the color, aroma, taste, and nutritional components of the ingredients to the greatest extent, achieving long-term preservation. It is suitable for processing various foods such as fruits and vegetables, meat, seafood, and ready-to-eat porridge, and is an ideal equipment for increasing the added value of products and extending their shelf life.