1. Geomantic influence: According to geomantic point of view, geomantic omen in cemetery has a great influence on family fortune. Jujube is considered as a negative plant in geomantic omen, and its growth may absorb the yin of the cemetery, affecting the health and fortune of the descendants of the tomb owner.
2. Bone injury: the thorns of jujube trees will hurt the hands and faces of grave sweepers, especially when grave sweepers climb gravestones or look for gravestones in the grass, they are more likely to be stabbed.
3. Disrespect: In some places, people think jujube is a symbol of "bad omen" because it usually grows on the graves of people who have died or died early. This concept may lead to unpleasant memories and inappropriate associations.
Therefore, if jujube trees are found on the ancestral graves, it is suggested to clean them up in time to avoid adverse effects on the family.