Microwave vacuum dehydrator is used for low temperature drying of heat-sensitive traditional Chinese medicine solid preparations. It can also be used as a vacuum concentration equipment. Its drying speed is very fast, which can greatly improve product quality. It is characterized by high efficiency, uniform heating, easy control, easy installation and maintenance. It can also be used for drying, heating, sterilizing and curing of medicines, biological products and agricultural and sideline products. It is especially effective in drying various pellets and granular materials. Microwave low-temperature vacuum drying equipment also has the efficacy of sterilization, sterilization, adjustable power limit, intelligent control, environmental control, temperature control, to produce products safety and health, extend shelf life.