Type 2 diabetes, hypoglycemia before lunch, hyperglycemia before dinner, how to return a responsibility? What should I do?

There are two reasons, one is insufficient insulin secretion, and the other is slow insulin secretion. And the insulin you use must be adjusted at any time according to your blood sugar and the doctor's advice. Although insulin is less harmful to your body, it can't prevent complications. You already have fundus diseases. I suggest you use Chinese medicine to recuperate.