Deep in the heart of almost everyone, there is a longing for Utopia and the ideal society. The dystopian theme is the deduction of its logic. Eventually, it will be found that ideals (mainly worship of institutions and technology) often lead to various inefficiencies. Disadvantages of control: totalitarian rule, inhuman society, spiritual depression, etc. Compared with the enthusiasm of utopia for criticizing "old" or promised "new", dystopian vocabulary is grimmer and respects the truth of human nature. Most dystopian works are full of imagination and black humor, and their spicy irony makes us cried and laughed, and then sweated coldly. The most accurate summary of this text is:. ['Revealing the Drawbacks of Utopian Ideals.', 'Introduce the characteristics of dystopian works.', 'Describe the gap between ideal and reality.', 'Point out the differences between utopian and dystopian works.']