Ba Jin's novel Home and Cao Yu's play Home are two different literary works and art forms. They are different in the following aspects: Ba Jin's novel Home is based on its prototype and tells the story of a feudal family, aiming to reflect on the shortcomings of Chinese feudal families and the weaknesses of human nature; Cao Yu's play Home is adapted from Ba Jin's novel and probes into the problems of human nature, family, society and many other aspects by showing the rise and fall of a feudal family. 2. Different literary forms and ways of expression: Ba Jin's novel Home narrates the story of a feudal family through the personal experience of the protagonist Jiazhen from the first person perspective. The novel uses a delicate and realistic way of description, with sincere emotions and profound thoughts, full of reflection on the feudal family system and social reality. Cao Yu's play," Home ", used the form of a drama to show the rise and fall of a feudal family through the dialogue and actions of many characters. The script used strong dramatic and musical elements to present a vivid and touching family picture through language, action, music and other elements. 3. Different characters and personalities: Ba Jin's novel Home shows the sacrifice, tenacity, misfortune and helplessness of feudal housewives through the images of Jiazhen and other characters, reflecting the shackles and oppression of the feudal family system on women. Cao Yu's play, Home, showed the complex emotions and human weaknesses of the family members through the creation of many characters, such as Jia Baoyu's weakness, Yingchun's grief and indignation, Wang Xifeng's craftiness, etc. To sum up, Ba Jin's novel Home and Cao Yu's play Home are two literary works with different creative backgrounds, literary forms and expressions. There are significant differences in their characters, personalities and expressions.