There are many correct ways to control blood sugar, such as reasonable diet, proper exercise and use of medication as prescribed by the doctor. 1. Reasonable diet: To control blood sugar, you need to eat a reasonable diet, avoid eating sweets, and also control the intake of porridge and other easily digestible food to avoid elevating blood sugar. At the same time, it is not recommended to drink alcohol, eat three meals regularly, eat more vegetables in moderation, and ensure that the daily intake of eggs, milk, lean meat and other high-quality protein. 2. Appropriate exercise: appropriate exercise every day according to their specific conditions, improve the body’s sensitivity to insulin, help control blood sugar. 3. Use of medication: For patients with poor blood sugar control by diet and exercise, they need to apply medication, such as metformin, under the guidance of a doctor. There are many other correct ways to control blood sugar, it is recommended that patients with high blood sugar go to regular hospitals and consult professional doctors to avoid blind treatment.