depression is a common emotional problem that can be alleviated by reading different types of books. Some books suitable for people with depression include: 1. Self-help books: Self-help books can help patients understand their problems and provide methods and techniques to solve them. For example," Alive "," Worry Reliever ", and so on. 2. Emotional books: Emotional books can let readers feel warmth and love to relieve the patient's emotions. For example," The Little Prince "," Pride and Predict ", and so on. 3. Fictional books: Fictional books allow readers to immerse themselves in the story and feel the tension and joy of the plot. For example,'Dream of the Red Chamber',' Water Margins 'and so on. 4. Books on philosophy: Books on philosophy can provide insight and understanding of life and the universe to help patients explore the depths of their hearts. For example," Existence and Time "," Nietzsche's Philosophy ", etc. 5. Psychology books: Psychology books can help patients understand their emotions and behaviors and provide methods and techniques to solve problems. For example, Emotional Blackmail, Psychology of Happiness, and so on. It was important to note that reading was only a way to relieve depression, not the root of the problem. If the patient feels that the emotional problems are serious, it is recommended to seek the help of a professional psychiatrist.