What is the relationship between Shangsi Festival and Cold Food Festival and Tomb-Sweeping Day?

As an important festival in Tomb-Sweeping Day, the customs such as offering sacrifices and hiking mainly come from the Cold Food Festival and Shangsi Festival. The Cold Food Festival is related to the ancient people's understanding of nature. In China, the rebirth of a new fire after a cold meal is a transitional ceremony to bid farewell to the old and welcome the new. It reveals the information of seasonal alternation and symbolizes the beginning of a new season, a new hope, a new life and a new cycle. Later, there was a sense of gratitude, and more emphasis was placed on nostalgia and gratitude for the past.

Cold Food Festival: 105 Summer to the future, one or two days before Tomb-Sweeping Day. When the first day of the day is a holiday, smoking is forbidden and only cold food is eaten. In the development of later generations, the customs of sweeping, climbing, swinging, cuju, crochet and cockfighting were gradually increased. The Cold Food Festival lasted for more than 2,000 years and was once called the largest folk festival in China. Cold Food Festival is the only traditional festival of Han nationality named after food customs.

The origin of the Cold Food Festival, according to historical records: During the Spring and Autumn Period, Zhong Er, the son of the State of Jin, fled to other countries and lived in exile for 19 years. Minister Jiezitui always followed around and never gave up; Even "cutting stocks." Zhong Er tried to become a famous monarch "Jin Wengong". But meson tui didn't want to make a fortune, so he lived in seclusion with his mother in Mianshan. Jin Wengong ordered the release of Yamakaji to force him out of the mountain, but meson was determined not to go out of the mountain and eventually died in a fire. Bearing in mind his ambition to be a loyal minister, Jin Wengong buried him in Mianshan, built a shrine and a temple, and ordered the fire and cold to be banned on the day of the festival to show his grief. This is the origin of the "Cold Food Festival".