2. Barbecue is a dish in China. The raw materials are pork, beef, vegetables and seafood. Unique flavor, long history, rich fragrance and delicious taste can greatly improve appetite. It is worth mentioning that modern barbecue is not the same as slash-and-burn barbecue. According to the Complete Works of Han Dynasty Stone Relief, as early as the Han Dynasty, there was a complete barbecue and food preparation system.