When grilling, add half-lit and half-unlit charcoal for use. When it is necessary to add fire, just add raw carbon. According to experiments, it can save about 60% of charcoal. It is simple, fast, time-saving, labor-saving, low-cost, and convenient for demolition. The installation is simple and easy to use, and the desktop can be moved as needed. The internal device is not easy to be damaged. There is an air purification system inside. There is no need to install a smoke exhaust duct. Just install the oven on the fireproof table and connect to the power source. This reduces the cost of facilities and shutdown decoration, because the meat will not stick to the baking tray. Therefore, there is no need to change the baking tray frequently, and the smoke exhaust pipes are in the bright place, so it is easy to clean and maintain. Air conditioners can also be used. Air conditioners cool the hot air by convection and then release it. Due to serious pollution during this process, most barbecue shops do not use air conditioners. Our ovens can not only prevent air pollution, but also effectively purify part of the air. , So turning on the fan and air conditioner will not pollute the air. Because it can purify the air and is very clean and hygienic, it will not spill oil on the clothes of the guests, and there will be no oily smell, so that the guests can enjoy the food in a clean and comfortable atmosphere. The exhaust pipes are all in the bright spot, which is easy to clean and maintain.