Because in ancient times, chrysanthemum wine was regarded as the "lucky wine" that must be drunk on Chrysanthemum Day to get rid of disasters and pray for good luck.

Because of its unique character, chrysanthemum has become a symbol of vitality. Chrysanthemum contains health-enhancing ingredients, and Ge Hong of the Jin Dynasty recorded in his "Hug Park Zi" that people in the mountains of Nanyang gained longevity by drinking sweet valley water with chrysanthemums growing all over it. Drinking chrysanthemum wine during the Chung Yeung Festival is a traditional Chinese custom.

Chrysanthemum wine, in ancient times, was regarded as the "lucky wine" that must be drunk on the Chrysanthemum Festival to get rid of disasters and pray for good luck. Chrysanthemum wine is a medicinal wine with a slightly bitter taste, which can make one's eyes clear and wake up one's brain, and has the auspicious meaning of getting rid of calamities and praying for good fortune.

Expanded Information:

The Chongyang Festival has incorporated many folkloric events and cultural connotations throughout its history. The ninth day of the ninth month of the lunar calendar is the climate of "clear air rising, turbid air sinking", the higher the terrain of the gas gathered, so "Chongyang ascends to enjoy the clear air" has become a folkloric phenomenon. Autumn and September, the sky is high, this season can be achieved by climbing high and looking far away, fitness and disease prevention purposes.

Every nine days this day, all over the organization of the elderly mountaineering autumn tour, exchange of feelings, exercise activities. Many families will also help their elderly elders to the countryside. Chung Yeung Festival is a traditional Chinese festival that combines many kinds of folklore into one. It is rich in cultural connotations with many folk activities. Celebrations of the Chrysanthemum Festival generally include trips to enjoy the scenery, climbing up to a high altitude, viewing chrysanthemums, inserting dogwoods, organizing banquets to honor the elderly, eating Chrysanthemum cakes, drinking chrysanthemum wine, etc. The festival is also known as the "Chrysanthemum Festival".

Baidu Encyclopedia - Chongyang Festival (Chinese Traditional Festival)