The origin of Tomb-Sweeping Day is abbreviated as Tomb-Sweeping Day's 20-word introduction.

1, abbreviation of the origin of Qingming Festival: When Jin Wengong was in exile, he cut a piece of meat from his thigh with his minister Jietui to help Jin Wengong out of his misery. In memory of him, the second day of the Cold Food Festival was designated as Tomb-Sweeping Day.

2. Tomb-Sweeping Day is the Spring Festival of the Chinese nation, and the corresponding Spring Festival is the Mid-Autumn Festival of the Double Ninth Festival. Tomb-Sweeping Day's grave-sweeping is a kind of "grave-sweeping sacrifice" and a kind of "respect for time thinking" for ancestors. Its customs have a long history. According to the different places of sacrifice, Tomb-Sweeping Day can be divided into tomb sacrifice and ancestral temple sacrifice. Tomb sacrifice is the most common, and the Qingming sacrifice is characterized by tomb sacrifice. The reason why Qingming Festival is called sweeping graves is mainly because of the way of sweeping graves.