Thunderstorm was a classic work in the history of modern Chinese literature. It mainly narrated the contradictions and conflicts in the relationship between men and women, power struggle and moral concepts in a feudal family. The following are the main contradictions between the characters in Thunderstorm: 1. The contradiction between families: As the family members of this feudal family, different people had different views and values. Their different views and attitudes towards the family, feudal ethics, family responsibilities and other issues led to misunderstandings and conflicts between each other. 2. The contradiction between the relationship between men and women: There are complicated relationships between men and women between several main characters in the novel, including the relationship between the mistress and children, and the emotional entanglement between the male and female masters. These contradictions lead to the deterioration of the relationship between the characters. 3. The contradiction between power struggles: In this feudal family, there were problems of power struggles between different figures, including the competition between the matriarch and her children, the father and his brothers and sisters. These contradictions led to chaos and tension within the family. 4. The contradiction between moral values: In the novel, there are also contradictions between the moral values and values of different characters, including the differences between the mother and children, the father and the brothers and sisters. These contradictions lead to contradictions and conflicts between the characters. Through the complicated and profound relationships and contradictions between the characters, Thunderstorm showed the internal structure of a feudal family and the deep problems of human nature, which had a profound impact on the history of modern Chinese literature.