The following are some possible impacts:
1. Emotional fluctuations: Children may have negative emotions such as anxiety, fear and sadness because of their parents' quarrels. These emotions may adversely affect children's mental health and growth.
2. Affect the parent-child relationship: The quarrel between parents may lead to the alienation of children from their parents and affect the parent-child relationship. Children may feel unable to trust their parents, and even find it difficult to establish intimate relationships when they grow up.
3. Learn a bad example: children may imitate their parents' quarrels and learn to solve problems with quarrels and conflicts. This may affect children's performance in school and social circles, and even affect their future family life.
4. Distorted values: Children may have negative views on marriage, family and life because of their parents' quarrels, which may lead to their fear or resistance to these aspects in adulthood.