Diabetes is mostly asymptomatic in the early stages, but risk factors for type 2 diabetes include obesity, family history of diabetes, etc. Typical symptoms of diabetes are excessive drinking, urination, eating, and weight loss. Diabetes is mostly asymptomatic in its early stages, but risk factors for type 2 diabetes include obesity and family history of diabetes. Diabetes mellitus is a group of metabolic diseases characterized by chronic hyperglycemia caused by multiple etiologies. When blood glucose is elevated, osmotic diuresis causes symptoms such as polyuria, thirst, and polydipsia; glucose utilization produces obstacles, and weight loss occurs as a result of increased breakdown of fat and protein. Early diabetic patients may not have any symptoms, such as obese people, can prevent diabetes through active weight loss, patients with a family history of diabetes can actively seek medical attention, early detection and early treatment.