As the pet economy is booming, pet owners are paying more and more attention to food quality and health, and freeze dryers are shining in the field of pet food. It can sublimate the moisture in the food under low temperature conditions, completely retain the nutritional essence of protein, active enzymes and other ingredients such as meat, fruits and vegetables, and provide pets with high-quality food that is close to natural raw food. Freeze-dried pet food has a crispy taste and is easy for pets to chew and swallow. It can be kept fresh for a long time without adding too many preservatives, which perfectly meets the expectations of pet owners for healthy and natural food. Nowadays, freeze-dried pet food is very popular in the high-end market, and many companies have increased their investment in freeze-drying equipment. An advanced freeze dryer not only helps companies develop products with diversified flavors and nutritional formulas to meet the needs of different pet breeds and ages, but also increases the added value of products, helps brands stand out in fierce competition, seize market opportunities, and gain the loyalty and love of pet owners, opening up a new path for the future development of the pet food industry.