Use peanut shell, walnut shell, wood powder and live cypress branches as fuel to smoke bacon. Bacon should pay special attention to two points. First, don't smoke bacon in rainy days, because such bacon will have an uncomfortable feeling in the throat after eating; Second, avoid open flames when smoking, so there should be moisture in the burning substance. At the same time, pay attention to certain sealing when smoking. Smoked for about half a day, the color of bacon has turned yellow, almost.