The Chrysanthemum Festival is in the fall, so it is exactly when the chrysanthemums are in full bloom, so in fact, the Chrysanthemum Festival also has a very good name, called "Chrysanthemum Festival". And drinking chrysanthemum wine on the Chongyang Festival is also a popular folk custom in ancient times. Nine nine and "long time" resonance, and "wine" is also homophonic, so derived from the nine nine to drink chrysanthemum wine of this statement.