In Chinese old times, six is a negative number while nine is a positive number. On the festival day, the sky is clear and the wind fells well. It is just the season to ascend and overlook on the hill. So ascending becomes the most important custom. It is also a time when the chrysanthemums are flourishing, which forms another custom of appreciating chrysanthemums.
China is the homeland of the chrysanthemums, popular for ages.
The chrysanthemum wine could prevent epidemic disease and prolong life. It is really a pleasure to join with friend, drinking wines and appreciating chrysanthemums, especially for poets, who had wrote us large amounts of good verses. Till now, the custom are still popular.