The article introduces Expression of the Heart, a book by psychotherapist Li Qinyun, who practices psychoanalysis. The book compiles 31 essays where Li Qinyun shares her insights on psychotherapy, mental health, and the contemporary emotional landscape. It explores the core of psychological therapy as a relational experience, emphasizing how the therapeutic relationship itself facilitates healing by allowing clients to re-experience and process suppressed emotions. Furthermore, the text examines the relationship between language and emotion, highlighting the importance of clients expressing their true feelings to reconnect with their inner selves. Finally, it addresses why childhood experiences and dreams are crucial topics in therapy, as they provide avenues to understand unconscious patterns and unresolved emotional conflicts, ultimately enabling self-discovery and healing.