This report provides a comprehensive overview of mental health care delivery, focusing on the application of various nursing theories. It delves into the definition and causes of mental disorders, the history of mental illness, and the impact of these disorders on individuals. The report highlights key treatment approaches and support systems, emphasizing the use of grand nursing theory, social theory, and recovery movement theory in practice. It explores how these theories can be applied to enhance patient outcomes, improve communication, and foster a holistic approach to care. Furthermore, the report includes a reflection on the author's personal experiences as a student nurse, detailing the challenges faced and the skills developed through the application of these theoretical frameworks. The report emphasizes the importance of effective communication, cultural sensitivity, and ethical considerations in providing quality mental health care, advocating for patient-centered approaches and the integration of family members in the treatment process. The student nurse discusses how these theories have enhanced their ability to understand patients' emotions, perceptions, and cultural backgrounds, ultimately leading to improved patient outcomes and the establishment of trusting relationships. The report concludes by highlighting the significance of self-awareness, personal coping strategies, and the promotion of patient autonomy in the recovery process.