Fuente: WIPO "hemp" The invention relates to the technical field of industrial hemp processing devices, and discloses a pretreatment drying device for industrial hemp extraction. The device comprises a drying box, a driving box is arranged at the bottom end of the drying box, a driving shaft is arranged in the driving box, at least three cam blocks are arranged in the middle of the driving shaft, and cam balls are incontact with the upper ends of the cam blocks; the upper end of the left cam ball is fixedly connected with a first connecting rod, and the upper end of the first connecting rod penetrates through the drying box to be hinged to a first baffle; the upper end of the right cam ball is fixedly connected with a second connecting rod, and the upper end of the second connecting rod penetrates through the drying box and the first baffle to be hinged to a second baffle; the upper end of the middle cam ball is fixedly connected with a third connecting rod, and the upper end of the third connecting rodpenetrates through the drying box, the first baffle and the second baffle to be connected with a lifting baffle; and a rotating shaft is arranged in the upper end of the drying box. According to the device, industrial hemp is separated and dried many times, so that the industrial hemp drying effect is improved; and meanwhile, a power box is arranged so that high-temperature and high-pressure gas can serve as a power source of the whole device.