How long can it affect future generations after moving the grave?

There is no clear answer to this. Usually, after the ancestral graves are removed, the fortunes of children and grandchildren will improve within one or two years, and will get better and better after three years.

Folk culture, also known as traditional culture, refers to folk customs and life culture. It also refers to the customs and habits created, enjoyed and passed down by people living together in a nation or region. It is a series of immaterial things formed by ordinary people in their production and life.