In the first year of death, is it hanging yarn or hanging clear?

In the first year after his death, Qingming came seven days in advance to sweep the grave. Hanging green is the custom of local Tomb-Sweeping Day, and it is also the performance of successors. As the saying goes, "there is white paper hanging on the grave with children, but there is shit on the grave without children." Hanging a paper rope in front of the grave evokes the soul, commonly known as "hanging green"