This report addresses diabetes mellitus as a significant public health issue within the United Kingdom. It begins by defining public health and then focuses on diabetes, detailing its types, symptoms, and risk factors. The report explores the burden of diabetes, including its geographical distribution, trends, and vulnerable groups. It presents both early and modern intervention strategies, followed by an examination of public health models, specifically the Health Belief Model. The effectiveness of various intervention strategies is also assessed, and the report references the NHS service (NEEDS) as a practical example of diabetes management. In conclusion, the report emphasizes the prevalence of diabetes in England and its potential links to other health issues. References from various sources support the discussion.