This nursing assignment examines the importance of applying principles of common good and human dignity in providing mental health care. It argues that nurses must treat patients with respect, ensuring equal opportunities and privileges regardless of their mental health condition. The paper highlights two key Catholic social teaching principles – participation and promotion of peace – as crucial for fostering a just and humane healthcare system. It emphasizes the role of nurses in empowering patients, respecting self-determination, and building lasting relationships based on trust and mutual cooperation.