Barbecuing in one's own courtyard, although it can show the convenience of modern life in terms of water and food, it is still necessary to imitate the ancients of slash-and-burn in this link. Spread a layer of charcoal on the charcoal net and pile it into a pyramid shape, pour in alcohol and other combustion-supporting agents and allow the charcoal to fully absorb it for about one minute. If flammable charcoal is selected, there is no need to add any combustion-supporting agent. Ignite the pre-prepared strips of paper and put them in the furnace, and the charcoal starts to burn. If you are afraid of troublesome cleaning, you can put a piece of aluminum foil under the charcoal, but the burning will be affected to a certain extent. At this time the charcoal began to burn with a small amount of black smoke. At this time, add a grilling net and burn for 10-15 minutes. The open flame gradually decreases or disappears, and white ash appears on the surface of the charcoal, indicating that the ideal grilling temperature has been reached.