Why should we wash the feet of the elderly on the Double Ninth Festival?

Carry forward traditional virtues. It is a traditional custom to wash the feet of the elderly on the Double Ninth Festival, aiming at showing concern and respect for the elderly. Washing feet represents the traditional virtues of filial piety, respect for the elderly and love for the young. Young people can show their respect and gratitude to the elderly by washing their feet, and they can also inherit and carry forward the excellent traditional culture of the Chinese nation.