The protagonist turns into a beetle, revealing that people's lives are very stressful and busy all day long. Therefore, people turning into beetles is also a symbol of the distortion and alienation of the human spiritual world, and is a symbol of the relationship between people. The state of separation and the reflection of loneliness and despair caused by separation. The huge carapace contains a harmless body, which also reflects the living conditions of people in society at that time.