The invention proposes a device for processing peanuts with diversified flavors. The device includes a fumigating box, a spray head, a plurality of carrier plates, a first heating mechanism, a cooking box, a conveying pipe, a condenser pipe and a second heating mechanism, wherein a steam transport opening is formed in the lower part of the fumigating box; the spray head is arranged in the fumigating box; the carrier plates are horizontally arranged and distributed up and down in the fumigating box, and are positioned between the spray head and the steam transport opening; a plurality of through holes are formed in the carrier plates; the first heating mechanism is arranged at the bottom of the fumigating box; the cooking box is mounted to be lower than the steam transport opening, and fumigating materials and water for immersing the fumigating materials are stored in the cooking box; a first end of the condenser pipe is communicated with the steam transport opening, and a second end of the condenser pipe is communicated with the cooking box; a first end of the conveying pipe is connected with the spray head, and the second end of the conveying pipe is inserted into the cooking box and is positioned below the water level; a high temperature resistant suction pump is arranged on the conveying pipe; the second heating mechanism is arranged at the bottom of the cooking box. According to the device provided by the invention, steam and fumigating materials are used for cooking peanuts, so that the peanuts cooked are relatively uniform, and the utilization rate of the fumigating materials is improved.