source： editor：zhang wenni
since "frost" is a manifestation of cold weather and large temperature differences between day and night, hence the name frost's descent. it indicates the sudden drop in temperature and large temperature differences between day and night.
after this solar term, the weather turns cooler and the body's energy and blood circulation begin to converge. well, chestnuts may help. chestnut is sweet and warm in nature with a moderate amount, it can help nourish the stomach and strengthen the spleen, kidneys and muscles, boost blood circulation and stop bleeding, relieve cough and reduce phlegm.
in some regions of china, it's a custom to eat red persimmons during frost's descent. for locals, this fruit can not only keep the body warm from the cold, but also help replenish bones and muscles.