清明节，又称踏青节，是中国传统节日之一，每年的4月5日前后。这个节日是为了纪念先祖和扫墓而设立的。在清明节，人们会整理祖先的墓地，献上鲜花和食品，并祭奠祖先。此外，还有一些民俗活动，如踩青、荡秋千等。清明节是中华民族传统文化的重要组成部分，是中华民族的文化瑰宝之一。

Tomb Sweeping Day, also known as Qingming Festival, is one of the traditional Chinese festivals, which falls around April 5th every year. This festival is designed to commemorate the ancestors and sweep the graves. During Qingming Festival, people clean up their ancestors' graves, offer flowers and food, and pay tribute to their ancestors. In addition, there are some folk activities, such as walking in the countryside and swinging. Qingming Festival is an important part of Chinese traditional culture and one of the cultural treasures of the Chinese nation.