Double Ninth Festival cake is one of the delicacies at this time. It is also called flower cake, chrysanthemum cake and five-color cake.

Cheng Peng said that the special Double Ninth Festival cake should be made into nine layers, like a pagoda, with two lambs on top to match the meaning of Double Ninth Festival (sheep).

Sometimes, people will put a small red paper flag (instead of dogwood) on the Double Ninth Festival cake and light candles.

Use "light up" and "eat cake" to replace the meaning of "climb".

When the Double Ninth Festival originated is still a matter that is still being discussed in academic circles.

A more common theory is that the Double Ninth Festival originated in the Warring States Period, based on the sentence "Gathering the Double Ninth Festival into the imperial palace, and observing the Qing Dynasty at the beginning of the tenth day" in "Chu Song·Yuanyou", where the word "Double Ninth Festival" appears.

But what is controversial is that many scholars believe that "Yuan Yuan" was not written by Qu Yuan, but was most likely the work of later generations.

The second theory is that the Double Ninth Festival originated in the Western Han Dynasty, because there is such a record in "Miscellaneous Notes of Xijing" written by Liu Xin: "Mrs. Qi's servant Jia Peilan later became the wife of Duan Ru, a Fufeng native. She said that when she was in the palace

...In September, wear dogwood, eat bait, and drink chrysanthemum wine, which will make people live longer.

"Chrysanthemum wine." However, "Xijing Miscellanies" was actually compiled by Ge Hong in the Jin Dynasty, so it cannot be used as the exact basis for the Double Ninth Festival in the Western Han Dynasty.