Background: Diabetes is a prevalent disease with huge burden on patients and health care system. Therefore, many health organization and guidelines have been developing screening programs for patients and general population as a preemptive to signs and symptoms developing, aiming to have earlier diagnosis, reduced rates of end-organ damage, and modified risk factors that lead to hyperglycemia status. Objectives: We aimed to review diabetes in the context of patients referring to primary health care clinics. Methodology: PubMed database was searched with the following keywords: diabetes mellitus, and its valuation, and management. Conclusion: Diabetes Mellitus is one of the most common comorbidities worldwide. And as a physician, persuading the patient to convert from oral hypoglycemic to insulin injections and following up with the patient are considered as a critical point in management. These steps assure the clinician help in reduction of the complications and providing a better quality of life for these patients.