Olive Woo, PsyD, is a licensed clinical psychologist with over a decade of clinical experiences in public settings. She is recognized as an associate fellow in Hong Kong Psychological Society and a fellow in Thanatology with the Association of Death Education and Counselling in the U.S.A. Olive has been serving as an Honorary Clinical Supervisor at both the University of Hong Kong and the Chinese University of Hong Kong, where she contributes her expertise to the development of future psychologists. Yuk Ming Tang received the B.Eng., M.Phil., and Ph.D. degrees from The Chinese University of Hong Kong, Hong Kong, in 2000, 2003, and 2007, respectively. Following his graduation, he worked as a Post-Doctoral Fellow with the Faculty of Medicine, CUHK. He is currently a Senior Lecturer with the Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hong Kong. He has published more than 80 articles in internationally refereed journals, including numerous contributions to top-ranked publications. His research interests encompass artificial intelligence (AI), virtual reality (VR), the Internet of Things, digital twin technology, blockchain, and sustainable technology within Industry 4.0, as well as healthcare applications. Tang serves as the Lab-in-Charge and is a Key Member of several laboratories and Joint Research Centers focused on the development of projects involving AI and other advanced technologies.

• Introduction. Part I: The Mental Health Crisis in China 1. The Silence Crisis 2. Stigma and Barriers to Help 3. Artificial Intelligence as a Mental Health Companion Part II: DeepSeek and the Rise of AI Emotional Support 4. Foundations of DeepSeek: How it Works 5. Transforming Mental Health with DeepSeek 6. Case Studies: Real-life Applications of DeepSeek Part III: Looking Forward 7. Risks and Ethical Considerations 8. Policy Implications and Regulations 9.The Future of AI in Mental Health Care. Conclusion