1, Double Ninth Festival: The ninth day of the ninth lunar month is the Double Ninth Festival every year. In ancient China, nine was called "Yang number", and on the ninth lunar month, two or nine are both yang numbers, so the Double Ninth Festival is also called Double Ninth Festival.

2. Chrysanthemum Festival: The Double Ninth Festival is the golden autumn season of the year, chrysanthemums are in full bloom, and the wind of enjoying chrysanthemums in Chongyang is prevalent, so the Double Ninth Festival is also called the Chrysanthemum Festival. People also call September of the lunar calendar "Chrysanthemum Moon". In the Double Ninth Festival, when chrysanthemums are in full bloom in Ao Shuang, watching chrysanthemums has become an important part of the festival.

3. Climbing Festival: Because climbing is one of the most important customs activities of the Double Ninth Festival, it is also called climbing festival. Why did Chongyang climb the mountain? One theory is that because the Double Ninth Festival is a day when the sun is on duty, the atmosphere rises and the weather drops. In order to avoid contact with unhealthy atmosphere, the ancients climbed to avoid evil spirits. There is also a saying that originated from the ancient people's worship of mountains. In the Book of Rites, it is recorded that "the mountains, valleys and hills can make clouds, for the wind and rain, and when they see monsters, they all call God."

4. cornus Festival: The Double Ninth Festival also climbs the customs of cornus and cornus, so it is also called "cornus Festival". People think that the ninth day of September is also a day of disaster, and cornus is known as the "evil-ward Weng", so people like to wear cornus to ward off evil and seek good luck on the Double Ninth Festival.