As an efficient, environmentally friendly, and energy-saving food processing and preservation equipment, food freeze-drying machines will be widely used and developed in the future. In the future, with the continuous innovation and improvement of technology, food freeze-drying machines will play a more important role in the field of food preservation, providing more possibilities for people's health and food life.

However, food dryers also have some drawbacks. For example, some foods may become harder or chewy after drying, affecting the taste experience. Under high temperature and prolonged drying, some nutrients can be destroyed, reducing their nutritional value. In addition, the purchase cost of food dryers is relatively high, and the usage cost, including electricity bills, needs to be considered.