Prof. Min Yang, along with his team, has rigorously and systematically elucidated the challenges and practical issues faced by China in ensuring drinking water safety. Leveraging the power of technological innovation, Professor Yang and his team have conducted in-depth research and made technological breakthroughs in key areas ranging from source water protection to water quality testing and purification. Their work is closely aligned with the needs of the people, aiming to eliminate public concerns about drinking water quality and ensure that every drop of water entering households meets safety standards through technological means. Their contributions not only disseminate scientific knowledge but also demonstrate humanistic care, clearly demonstrating how research progress is gradually transformed into practical applications, thereby significantly enhancing China’s water security level. Reading this article helps the public understand and appreciate the diligent efforts and remarkable achievements of researchers in ensuring the most basic life requirement of the people—drinking safe water—a significant issue in popularizing scientific and technological knowledge, reflecting the development of the times, and caring for the well-being of the people.