With the continuous improvement of living standards, people will put forward higher requirements for the quality of consumer goods, the awareness of environmental protection and health is further strengthened, and the demand for all kinds of drugs, health products and freeze-dried food will be increasing. In order to continuously meet the needs of all kinds of drugs, biological health products, freeze-dried food and solid powder preparation, especially the development of bioengineering will bring a new upsurge in the development of new drugs and biological drugs, which will effectively promote the further development of vacuum freeze-drying technology, so that its application scale will continue to expand and its application field will continue to expand.
At present, freeze-dried food is rapidly popular in European, American and Japanese markets. Freeze-dried and dehydrated vegetables, fruits, meat, aquatic products, spices, etc. are now used in addition to aerospace, mountaineering, tourism