Food drying is a process of removing water from food to extend its shelf life and prevent spoilage. There are many methods of food drying, such as sun drying, oven drying, microwave drying, freeze drying, etc. However, one of the most advanced and efficient methods is heat pump drying. A commercial food(fruit,vegetable)heat pump dryer is a device that uses the principle of heat exchange to dry food at low temperatures and high humidity. In this essay, we will discuss what are the main uses of heat pump dryer for food, how to use it properly, and what are its applications.