1, the first frost chestnut has the effects of nourishing stomach and strengthening spleen, tonifying kidney and strengthening tendons, promoting blood circulation to stop bleeding, relieving cough and resolving phlegm, and it is a good tonic at this time. Frost is spread all over vegetation and rocks, commonly known as frosting. Frosted vegetables such as spinach and wax gourd are particularly delicious, and frosted fruits such as grapes are particularly sweet.

2. The ancients generally ate mutton and rabbit meat in autumn. On the day of the first frost, the people of Fujian and Taiwan have to make up for it. There is a proverb in southern Fujian that "it is better to make up the first frost than to make up for one year". Some places want to eat red persimmons, thinking that they can keep out the cold and replenish their bones and muscles. Quanzhou old man said: eating persimmon diced in the first frost will not cause runny nose. Some places say that you should eat nuts on the first frost, otherwise your lips will crack all winter.