Mark Twain's novels Orlando and The Adventures of Tom sawyer exposed the reality and system of American society. In Orlando, the protagonist was portrayed as a child from a humble background and was ostracized by society. Through his own efforts and adventures, he gradually proved his worth and became a successful businessman and leader. This story emphasized the opportunities and rights of the lower class, but also revealed the dark side of American society at that time, such as class discrimination and injustice. In The Adventures of Tom sawyer, the protagonist Tom sawyer was portrayed as an innocent, lively, brave and kind boy. He experienced some thrilling adventures and struggles and finally became an independent and free citizen. This story also emphasized the importance of individual freedom and rights, and also revealed some of the shortcomings of American society at that time, such as police violence and the unfair legal system. Through these two stories, Mark Twain revealed the reality and system problems of American society at that time, including class discrimination, social injustice, police violence and legal system. These stories had a profound impact on the development and reform of American society.