Don Quijote was a Spanish novel that mainly described the adventures of the protagonist, Don Quijote. The novel satirized the following aspects: The lack of chivalry. Don Quijote tried to become a real knight, but what he did was absurd and unrealistic. He constantly pursued glory and status, but ignored the interests and truth of reality. 2. The corruption and depravity of society. The whole society in the novel was full of corruption and injustice. The protagonists were constantly deceived and hurt in the process of pursuing wealth and power. The distortion and absurdity of human nature. In the novel, the protagonists 'behavior was full of absurdity and distortion. They kept making unrealistic promises and actions, but in the end, they often could not fulfill them. 4. Spanish society was closed and backward. In the novel, Spanish society was relatively closed and backward, unable to keep up with the development of the world. This also reflected the political and economic situation in Spain at that time. Don Quijote reflected the problems and drawbacks of Spanish society at that time by satirizing the lack of chivalry, the corruption and degeneration of society, the distortion and absurdity of human nature, and the isolation and backwardness of Spanish society.