The reason why the Double Ninth Festival is called the Respect for the Aged Festival is because "nine" is the largest number in the number, and nine is a homophonic sound for long and long. , The metaphor of longevity and nobility is in it, so the Double Ninth Festival is also called the "Respect for the Aged Festival".

Double Ninth Festival, New Year's Eve, Spring Festival, Qingming Festival, Dragon Boat Festival, July Half, etc. are all traditional Chinese ancestor worship festivals. Ancestor worship is a major theme of major festivals. Ancient China was a farming society and agricultural civilization was a form of civilization that attached great importance to the experience of its ancestors. Since ancient times, the Chinese nation has had the concept of etiquette and customs of respecting ancestors and being careful about the future. It has the custom of offering sacrifices to ancestors during festivals to show filial piety and not forgetting the roots.