The invention discloses a vacuum drying and dehydration device and production technology for small-scale pressed oil and solves the problems of cost up and the like caused by the fact that moisture is not completely removed, cake powder absorbs a large amount of hydrated oil and repeated filtering is performed. The vacuum drying and dehydration device and production technology are characterized in that the traditional water removal technique is changed into vacuum drying and dehydration, the device and the production technology have the advantages of reasonable structure, simplicity in operation, advanced technology, safety, environmental protection and the like and are particularly suitable for production of small-scale pressed strong-flavor oil products with higher requirements for flavor.