Apples are eaten every day, usually as long as the amount is moderate, will not cause excessive sugar intake, will not cause high blood sugar. The cause of diabetic patients is not clear at present, and most of them are considered to be related to the damage of pancreatic β-cells, dietary structure changes and heredity. Diabetic patients are recommended to have a low-sugar diet, proper weight control, and are advised to eat fresh fruits and vegetables. Normal people eat a moderate amount of apples every day, can replenish vitamins and the body needs water, etc., when the body intake of sugar is high, it will stimulate the pancreatic cells to secrete insulin to lower glucose, so it will not cause sugar intake exceeds the standard, will not cause diabetes. When the body’s intake of sugar is low, the body will release reserve glycogen, elevate blood sugar through glucagon, etc. to supplement the body’s blood sugar. To summarize, eating apples in moderation every day will not cause excessive sugar intake and will not cause high blood sugar. If you find that your blood glucose level rises, it is recommended that you consult a doctor promptly.