Meg:Meg disdains the hypocrisy of the highsociety and chooses a life of poverty in pursuit of true love. Despite thehardship of life after marriage, she still realizes that "poverty is not abad thing" because poverty gives her husband the courage to start acareer, which makes their life more meaningful, in her, reflects the emotionalself-improvement of women.Jo: Jo, as the core protagonist of the novel, acts as the leader of the little sisters. She always shows a strong and optimistic, self-reliant personality; she loves writing, on the one hand, because writing brings her happiness, on the other hand, writing is to maintain her independence A way for her to provide everything she needs without asking for a penny.Through her unremitting efforts to become a writer and start a school, she also strongly demanded independence after marriage, asking “To bear my share, I have to be busy earning money to support my family ", reflecting the self-improvement of women in their careers.Beth:Beth takes on the task of taking care ofher sisters at the time her mother arrived at the frontline to look after herseriously ill father. She loves her family, the poor and the weak withoutasking for a reward. The dolls abandoned by the sisters, she cherishes evenmore; later Beth is sick and is dying. In front of death, Beth acceptedfrankly, without fear, because she believed that death was a fusion with natureand reflected the moral strength of women in her.Amy:As the youngest daughter, Amy, although alittle coquettish, she dreamed of becoming a great artist and made unremittingefforts to this end. She did not doubt about her ability even after beingfrustrated and mocked. After marriage, she did not give up everything for thefamily according to tradition, but to continue her artistic pursuit. Sympathyfor the poor drives her to commit to charity, which reflects theself-improvement of women.