Why set off firecrackers on the grave?

In many places, an important step in going to the grave is to set off firecrackers. What do you mean by setting off firecrackers? Loud and bright, both people and money are prosperous? , meaning? Incense is strong, and future generations are prosperous? What is the purpose of setting off firecrackers in front of ancestral graves? Get rid of all evils, and there will be successors? So setting off firecrackers is actually for future generations to see, and it is of no use to the deceased ancestors. The main purpose is for luck. So what's the point of setting off firecrackers? At present, there are the following points to note:

First, the time to set off firecrackers. Generally, the tomb paper is pressed, sacrifices are offered, and firecrackers are set off after burning the paper money. After leaving the hospital, people kowtowed and packed their things and went home. Of course, different regions may have different customs.

Second, if several descendants go to the grave of an ancestor, each family will set off firecrackers themselves, generally without a firecracker.

The last point is that setting off firecrackers and burning paper depends on whether local laws and regulations allow it, and all forbidden areas cannot be set off. At the same time, we must pay attention to fire prevention. There are painful fire lessons every year. If you don't pay attention to fire prevention, going to the grave is not for luck, but for disaster!