The invention provides a drying device. The drying device saves energy, is environment-friendly, improves the drying efficiency and meanwhile, guarantees the drying quality of products; by means of drying of a radio frequency generator, the elasticity, softness, hand feeling and the like of the products are effectively improved; meanwhile, by combination of an air heater and a gas ejector pipe, the influence of the external environment on the product drying process is effectively isolated, the energy loss is reduced, and the drying efficiency is improved; and moreover, the drying device is reasonable in design, the products are evenly and efficiently dried, the quality of the products is improved, the production cost is reduced, and accordingly, the economic benefits are improved. The above mentioned is only an embodiment of the invention, the patent range of the invention is not limited, and any equivalent structure or equivalent procedure conversion made through the specification and figure content of the invention or direct or indirect application to other related technical fields belongs to the patent protection range of the invention in the same way.