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This utility model discloses a layered temperature-controlled seed roasting machine. A multi-layered insulated chamber is equipped with a multi-layered turning chain plate device. A feeding conveyor is located on one side of the multi-layered insulated chamber for transporting fruits, vegetables, or seeds. One side of the multi-layered turning chain plate device protrudes from the multi-layered insulated chamber and connects to the top outlet side of the feeding conveyor. A layered temperature-controlled drying system is arranged inside and on top of the multi-layered insulated chamber. A waste heat recovery system is installed on the top of the multi-layered insulated chamber, and the layered temperature-controlled drying system and the waste heat recovery system are connected. This utility model, while ensuring uniform temperature within the drying zone, sets different roasting temperatures according to the gradual reduction of internal moisture in the roasted material, avoiding the phenomenon of hardening and scorching of the material surface at the same temperature. It can meet the needs of materials with different characteristics, has a wide range of applications, provides high drying quality, and enables automated production.