Chongyang cake is a traditional Chinese pastry enjoyed during the Double Ninth Festival, which falls on the ninth day of the ninth lunar month. This cake is typically made from glutinous rice flour and is often filled with sweet red bean paste or other fillings. Its round shape symbolizes unity and family togetherness. The festival celebrates the elderly and promotes health and longevity. Eating Chongyang cake is a way to honor this tradition, as it is believed to bring good fortune and blessings. Families often gather to enjoy the cake, along with other festive foods, as part of their celebrations.