The invention provides a silkworm cocoon silk reeling cocoon steaming uniform heating device, comprising a heating tank, and the heating tank is internally provided with a heating rod. Two ends of the heating rod are rotatably arranged on the heating tank through bearings and mounting bases thereof. The junction of the heating rod and the heating tank is provided with a sealing ring. One end of the heating rod extends to the outer side of the heating tank. The device is provided with a transmission gear, and the transmission gear is meshed with a driving gear. The driving gear is arranged on a drive motor. The heating rod is provided with a blowing channel. The blowing channel is connected with an air pump. Through arranging the heating rod in a container holding water, the heating rod is provided with an agitating vane, circulation of flow can be accelerated, to ensure water in the container to be uniform. The device solves problems that heating and wetting of silkworm cocoon are not uniform, and silk cannot be taken from silkworm cocoon and production is influenced.