The Qingming Festival, as a traditional festival in China, is based on the annual vernal equinox, which occurs every 15 days, so Qingming falls between April 4 and 6 on the solar calendar, with the 5th predominating. It is not fixed on April 5 on the solar calendar, nor is it determined by the lunar calendar.

The Qingming Festival, also known as the Tomb Sweeping Festival, the Ghost Festival and the Festival of the Underworld, together with the Mid-Yuan Festival on July 15 and the Lower-Yuan Festival on October 15, are known as the Three Underworlds Festival, and all of them are related to the worship of ghosts and gods.

The Qingming Festival, also known as the Treading Green Festival, according to the solar calendar, it is between April 4 and 6 every year, it is the spring bright and beautiful grass and trees spit green season, but also is the people of the spring tour (ancient called trekking) of the good time, so the ancients have Qingming trekking, and a series of sports activities in the custom. Qingming Festival is also known as the ancient March Festival, has a history of more than 2000 years.