吃月饼 is a traditional activity during the 中秋节 (Mid-Autumn Festival) in 中国. People enjoy eating 月饼, which are round pastries filled with various ingredients like lotus seed paste, red bean paste, or mixed nuts. The round shape symbolizes reunion and completeness, making them a popular treat for families to share. During the festival, families often gather to appreciate the full moon while enjoying 月饼. This custom represents unity and harmony among family members. In addition to eating, people may also exchange 月饼 as gifts, further strengthening social bonds during this festive occasion.