In the middle of the Qing Dynasty, due to the respect of the royal family, Manchu hot pot developed to its peak, and it evolved from the rough eating method of ordinary people to the aristocratic cooking method. After metamorphosis, the chafing dish is mostly made of iron or copper, the lower part of the chafing dish is narrow, and the base is bowl-shaped. Open a doorway in the middle and add charcoal inside; The upper half is a wide food container, which is lake-surrounded; The chimney in the middle is connected with the charcoal stove below. Modern chafing dish is heated by electricity or combustible gas, which is different from traditional charcoal chafing dish in terms of nutritional value and taste.