The invention discloses Chinese herbal medicine drying equipment comprising a conveyor belt. A support is arranged on the outer side of the conveyor belt, a drying chamber and a preheating chamber areformed in the outer side of the conveyor belt, and a fan is arranged at the upper end of the drying chamber. An air outlet of the fan is provided with an electric heating wire, a plurality of first spray nozzles are arranged on the inner side of the drying chamber, and an induced draft fan is mounted at the upper end of the preheating chamber. An air inlet of the induced draft fan is connected with a second connecting pipe, an air outlet of the induced draft fan is connected with an activated carbon filtering box, and a plurality of second spray nozzles are arranged on the inner side of the preheating chamber. When the Chinese herbal medicine drying equipment is used, Chinese herbal medicine is directly placed on the conveyor belt, automatic drying is achieved through rotation of the conveyor belt, operation is convenient, energy can be recycled by the induced draft fan, the Chinese herbal medicine is preheated through the second spray nozzles, the subsequent drying efficiency is improved, and the time is saved.