This case study presents the case of Sharon, an elderly patient with type 2 diabetes, focusing on her medical condition, treatment, and nursing care. Sharon's type 2 diabetes, often common in the elderly, has led to kidney failure due to insulin dysfunction and the lack of blood circulation. The case explores the use of Metformin, Glucovance, Maxdia, and reliefdia, analyzing their effectiveness and side effects, particularly concerning Sharon's weight of 120kg. The analysis also examines the importance of maintaining healthy blood glucose levels (5-7 mmol/L) and the role of nursing care in managing the patient's psychological and physical well-being, adhering to ICN code of ethics to provide comprehensive patient care, including biological and psychological support. The case highlights the need for medication with minimal side effects and the significance of a holistic approach to diabetes management for elderly patients.