The origin of Tomb-Sweeping Day is 20 words.

The traditional Tomb-Sweeping Day in China can be traced back to the Zhou Dynasty with a history of more than 2,500 years. Tomb-Sweeping Day was originally a very important solar term. As soon as Tomb-Sweeping Day arrives, the temperature rises, which is a good season for spring ploughing and planting. So there is an agricultural proverb "Before and after the Qingming Festival, plant melons and beans" and "Planting trees is not as good as Tomb-Sweeping Day".

Later, as the days of Qingming and cold food approached, cold food was the day when people banned fire from sweeping graves. Gradually, cold food and Qingming became one, and cold food became another name for Qingming and also became a custom during the Qingming period. Tomb-Sweeping Day, no fireworks, only cold food.

Tomb-Sweeping Day, also known as the outing festival, is at the turn of mid-spring and late spring, that is, the first 108 day after the winter solstice. It is a traditional festival in China, and it is also one of the most important festivals to worship ancestors and sweep graves. The traditional Tomb-Sweeping Day of the Han nationality in China began in the Zhou Dynasty and has a history of more than 2,500 years.