2. The ancients called "night" "Xiao", and the fifteenth day of the first month is the first full moon night in a year, so it is called "Lantern Festival". Unlike family reunion during the Spring Festival, Lantern Festival is to go out and participate in community activities. Ouyang xiu's "the willow shoots on the moon, and people meet after dusk"; Liu Yong's "Young people often have adventures under the shadow of a candle." The famous sentences of Song Ci all describe the romantic meeting of Lantern Festival, and the Song people have the tradition of "enjoying the Yuan Dynasty alone". There are 330 Yuanxiao Ci poems in the Song Ci compiled by Tang Guizhang, a native of Nanjing.