The Double Ninth Festival is observed on the 9th day of the ninth lunar month. In traditional Chinese culture, the number nine is a yang number, and two nines overlap, hence the name. This festival takes respecting the elderly as its core cultural meaning, advocating filial piety and care for the aged. Traditional customs include climbing high mountains to avoid disasters, appreciating chrysanthemums in full bloom, drinking chrysanthemum wine, and eating double ninth cakes. These customs not only carry people's wishes for health and longevity but also highlight the traditional Chinese virtue of respecting and loving the elderly, making it a festival full of warmth and moral significance.