A 50-word introduction to the origin of Tomb-Sweeping Day.

As a festival, Tomb-Sweeping Day is different from pure solar terms. Solar terms are symbols of phenological changes and seasonal order in China, while festivals contain certain customs and activities, which have certain commemorative significance.

Tomb-Sweeping Day is a traditional festival in China, and it is also the most important festival to worship ancestors and sweep graves. Grave-sweeping is commonly known as going to the grave and offering sacrifices to the dead. Most Han people and some ethnic minorities visit graves in Tomb-Sweeping Day.

According to the old custom, when sweeping graves, people should bring food, wine, fruit, paper money and other items to the cemetery, offer food to the graves of their loved ones, then burn the paper money, cultivate new soil for the graves, break some green branches and insert them in front of the graves, then kowtow and worship, and finally go home after eating and drinking. The poem Qingming written by Du Mu, a poet in the Tang Dynasty, said: "There are many rains during the Qingming period, and pedestrians on the road want to break their souls. Ask local people where to buy wine? The shepherd boy pointed to Xinghua Village. " Write about the special atmosphere in Tomb-Sweeping Day.