The low-temperature continuous working mode of the vacuum dryer of Jiangsu Ganshang Drying Engineering Co., Ltd.: The low-temperature continuity of the vacuum dryer retains the high-quality ingredients of the raw materials, so that it can ensure a good appearance and ensure the quality of food or medicine and other products. For the entire processing process, the advantages are fully utilized, and the production cost is greatly reduced, which brings favorable development to the enterprise, and the production process of this method has a great advantage for freeze-drying, alleviating this. The defects in the production and processing of the class effectively improve the stability of mass production.