Charles Dickens was the most famous writer in 19th century Britain. Realism: Dickens 'works usually describe various problems and difficulties in the real world, emphasizing the hard life and tragic fate of the characters. Tragedy: Many of Dickens 'works are tragedies, including Oliver Twist, A Tale of Two Cities, David Copperfield, etc. These works expressed the impermanence and tragedy of life by telling tragic stories. 3. Criticalism: Dickens 'works criticized social reality, including thinking about legal systems, social injustice, poverty and education. 4. Humanism: Dickens 'works usually have a humanist spirit, focusing on human dignity and value, emphasizing human nature and the connection between people. 5. Dramatic: Dickens 'works are usually full of dramatic plots, compact characters, and strong expressions. These were the main features of Charles Dickens 'early works, which had a profound influence on British literature and culture and became a classic of 19th-century literature.