There is a legend about the Double Ninth Festival.

Myths and legends of Double Ninth Festival

The earlier legend about the Double Ninth Festival can be found in the Continued Harmony of Wu Jun in the Liang Dynasty:

Runan Dreamland studied with Fei Changfang for many years. Changfang said, "On September 9, there should be a disaster in your home. It is advisable to leave in a hurry and let the family make their own crimson bags, hold dogwood, tie their arms, and climb high to drink chrysanthemum wine. This disaster can be eliminated. " Picturesque scenery, family climbing mountains. The same is true at night, when chickens, dogs, cattle and sheep suddenly die. The eldest room listened: "This can be exchanged." Today, people climb mountains and drink on the 9th, and women take the bag of Cornus officinalis, so the cover begins here.

Extended data:

Folk evolution edition

According to legend, in the Eastern Han Dynasty, there was a plague demon in Ruhe. As soon as it appeared, people in every household fell ill and died every day, and people in this area were ravaged by plague demons. A plague claimed the lives of young Huan Jing's parents, and he almost died of illness himself. After he recovered from his illness, he bid farewell to his beloved wife and fellow villagers and decided to go abroad to study fairy arts to rid the people of the plague. Huan Jing visited teachers everywhere to find the way, visited celebrities all over the world, and finally found an oldest mountain in the East. There is a magical fairy on the mountain. Under the guidance of the crane, Huan Jing finally found the mountain and the miraculous fairy. The immortal was moved by his spirit, and finally took Huan Jing in, taught him the sword to subdue the demon, and gave him a sword to subdue the demon. Huan Jing forgot to eat and sleep and practiced hard, and finally developed an extraordinary martial arts.

On this day, the immortal called Huan Jing to his side and said, "Tomorrow is the ninth day of September, and the god of plague will come out to do evil again. When you learn the skill, you should go back and kill the people. " Xianchang gave him a pack of dogwood leaves and a cup of chrysanthemum wine, and secretly taught him how to ward off evil spirits and let him ride a crane home.

Huanjing returned to his hometown. On the morning of the ninth day of September, according to the fairy's instructions, he led the villagers to a nearby mountain and gave everyone a dogwood leaf and a cup of chrysanthemum wine to prepare for subduing the evil spirits. At noon, with several strange calls, Mo Wen rushed out of the Ruhe River, but just as Mo Wen jumped down the mountain, he suddenly smelled the strange fragrance of Cornus officinalis and the alcohol smell of Chrysanthemum, and his face suddenly changed. At that time, Huan Jing chased Mo Wen down the mountain with a demon sword in his hand, and stabbed him to death in a few rounds. Since then, the custom of climbing mountains on the ninth day of September to avoid epidemics has been handed down year after year. ? [9]?

Later, people regarded the custom of climbing on the Double Ninth Festival as an activity to avoid disasters.

References:

Double Ninth Festival-Baidu Encyclopedia