A pot of freshness is to put various meat and vegetable ingredients in an iron pot, and stick pancakes, steamed buns or flower rolls to the side of the pot while it is still hot. After the vegetables in the pot are cooked, the pancakes can also be taken off and eaten, and it is very delicious when dipped in vegetable soup. According to the different main ingredients, restaurants in Langfang divide Yiguoxian into lamb chops, pork knuckles, crucian carp, etc. Diners can choose according to their own taste.