Tomb-Sweeping Day is not only a sacrifice and remembrance, but more importantly, each of us should have a grateful heart.

During the Spring and Autumn Period, Zhong Er, the son of the Jin Dynasty, was forced into exile. On the way to exile, he was tired and hungry and fainted on the ground. Is anxious, meson push thigh cut off a piece of meat, cooked a bowl of broth for childe to drink, Zhong Er found that meat is meson push cut off from the body, shed tears of gratitude.

When Zhong Er became a monarch, he was called Jin Wengong in history. I rewarded the courtiers in exile with him, but forgot to push meson, who was heartbroken and retired from the mountains. After Jin Wengong knew it, he regretted it, and personally took people to ask mesons to push. However, it was difficult to find people in the mountains, so he let Yamakaji push the meson out. After the fire was put out, it was found that the meson was pushed to death under the willow tree. To commemorate meson push, Jin Wengong designated this day as "Tomb-Sweeping Day".

References:

Baidu Encyclopedia is a Tomb-Sweeping Day.