There is no clinical term for diabetes mellitus stage 2; diabetes mellitus can be categorized as type 1 diabetes mellitus, type 2 diabetes mellitus, special type of diabetes mellitus, and gestational diabetes mellitus. The complications of diabetes such as diabetic retinopathy and diabetic nephropathy are generally staged. Patients with diabetic complications in the second stage should pay special attention to a reasonable diet, reasonable work and rest, regular review. 1. Reasonable diet: diabetes complications to the second stage, patients need to pay special attention to dietary adjustments, try to low-fat, low-salt, low-calorie as the principle. At the same time, it is also necessary to limit high-sugar foods, such as chocolate, milk tea, cheese, etc.. 2. Reasonable work and rest: diabetic patients should have a reasonable daily routine, should ensure adequate sleep, work and rest, relaxation. 3. Regular checkups: Some diabetic patients take long-term hypoglycemic drugs are ineffective, so they need regular checkups during the period, and adjust the dosage of drugs according to the blood glucose situation, so that their blood glucose can be controlled in the ideal range as far as possible. In addition, diabetic patients should also participate in appropriate physical exercise, such as running, practicing yoga, etc., can assist in lowering sugar. If you find that your blood glucose control is not good, or if you have other complications, you need to treat them in a timely manner.