National law does not yet have corresponding provisions regarding damage to ancestral graves.
Of course, there are many aspects that the law does not intervene in, which does not mean that the law does not provide for it
Casually harming the interests of others.
In this matter, first determine who destroyed the ancestral graves and have definite evidence, and then you can
find the local public security organs to intervene. Make your request. For example, losing money, etc.
Finally you can move the grave.