A tobacco baking device, including: an upper housing, an inner frame, an electrical core, a heating core, a temperature sensor, a PCBA control board, a stainless steel tube, and a temperature control device. The inner frame includes a first end including a first hole and a second end including a second hole, the first hole being larger than the second hole. The heating core is disposed at a left side of the inner frame. The stainless steel tube surrounds the heating core, and the heating core is disposed in parallel to the stainless steel tube; the heating core is connected to the temperature control device and the temperature sensor. The temperature control device is connected to the temperature sensor and detects a heating temperature of the heating core in real time via the temperature sensor, whereby controlling the heating temperature to be constant.