To check if you have diabetes it is recommended to hang up with an endocrinologist. Diabetes mellitus is a group of metabolic diseases characterized by chronic hyperglycemia, with typical symptoms such as excessive drinking, excessive eating, excessive urination and weight loss. The endocrinology department in hospitals is specialized in diagnosing and treating endocrine-related diseases, such as diabetes, lipid metabolism disorders, and diseases related to the gonads, adrenal glands, thyroid gland, pituitary gland, and other tissues and organs. Therefore, to check if you have diabetes you can visit the endocrinology department of your hospital. People who are suspected of having diabetes are advised to go to the hospital, and if they are not sure what department they can go to, they can ask at the hospital’s information desk.