Autumn has come and the harvest season has come. With the arrival of the first frost, the leaves of plants begin to turn golden, while the green of grass will become less and less. With every trip, cyan will be less and less. Therefore, the trip to Chongyang is called "tattoo", which is relative to Tomb-Sweeping Day's going out and becoming an "outing".

The customs of the Double Ninth Festival are:

Climb mountains, enjoy autumn, enjoy chrysanthemums, enjoy dogwood, fly kites, eat Chongyang cake, drink chrysanthemum wine, and be grateful and respect the elderly. Double Ninth Festival is a traditional festival in China, which falls on the ninth day of the ninth lunar month every year. The Double Ninth Festival originated from the worship of celestial phenomena and evolved from the sacrifice after the ancient autumn harvest.

Climbing is a long-standing custom of the Double Ninth Festival. In ancient times, there was the custom of climbing on the Double Ninth Festival, so it was also called "Climbing Festival". Because the ancients worshipped mountains very much, they would climb them on the Double Ninth Festival.

On the custom of appreciating chrysanthemums on the Double Ninth Festival. Because there was a chrysanthemum culture in ancient times, people thought that chrysanthemum was a natural flower, so it gradually formed a chrysanthemum culture of appreciating and praising chrysanthemums. In addition, the Double Ninth Festival can also be called Double Ninth Festival, ancestor worship festival, climbing festival and autumn festival.