What does Tomb-Sweeping Day mean by setting off firecrackers?

Tomb-Sweeping Day set off firecrackers, which means "awakening ancestors to go home".

Tomb-Sweeping Day set off firecrackers, usually to pay homage to the dead after sweeping the mountains and graves in the morning. Moreover, setting off firecrackers is a traditional folk custom in China, which has a history of more than two thousand years. And with the passage of time, the application of firecrackers is more and more extensive.

Tomb-Sweeping Day is not only a solemn festival to pay homage to ancestors, but also a happy festival for people to get close to nature, travel and enjoy the fun of spring. Douzhi B (or solar calendar reaches 15) is Tomb-Sweeping Day gas, and the node time is around April 5 of Gregorian calendar. At this time, the vitality is booming, the yin is declining, everything is "going to the old and welcoming the new", and the earth presents a scene full of spring, which is a good time to go for a walk in the spring and sweep the graves.