In “a raisin in the sun”, Hansberry depicted a typical color people’s hard life in a racial segregation district in Chicago. At the first of the movie, the older house, and the crowded room, which five people live in. Every member wants to get rid of their current life, and they want to improve their life. Walter is a selfless person, who thinks he doesn’t need to get his mother’s permission to plan how to use the money, also he is so blind that he thinks money can clear the difference up between black and white. He is a person who doesn’t take responsibility. Walter’s sister wants to be a doctor and she thinks she changed her status through her effort. Ruth, Walter’s wife, wants to have a baby, but she has to face the situation. Their poor economic condition can’t raise a child, and there is no place in their house. Walter’s mother uses the money to buy a house, she wants her family members will not live in a crowded place anymore. The basis of all things for the family is money. Despite how ridiculous the idea is, all purposes are to improve their life. In the end, Walter educates his son to go into that house proudly, they should be proud of their race.