Dong Xi is a growth-oriented writer who constantly breaks through himself and discovers the world,reaching the reality of history through forward-looking creations.From the perspectives of the pursuit of re-ality,questioning of emotions,and exploration of human nature,Echoes is a profound and powerful"cry"of this era and youth,as well as a bold literary experiment by Dongxi.Dong Xi embeds his pursuit of truth,questioning of emotions,and contemplation of human nature into the narrative,showcasing the contemporaneity of realistic writing from various angles.Through the exploration of the secrets of life and work truths by the female police officer Ran Dongdong,he highlights the questioning and lack of emotions of individuals under the spiritual crisis of the times,ultimately revealing the profoundness and multi-dimensionality of human nature gradually under the ferment of the times and history.