Type 2 diabetes is the most affected type of diabetes, mostly seen in patients older than 40 years old, mostly combined with obesity, hypertension, hyperlipidemia, hyperuricemia, etc., can have a family history of diabetes, both insulin resistance and insulin deficiency, can take oral hypoglycemic drugs, but also insulin therapy. type 2 diabetes in life need to pay attention to the following points: a. lifestyle, adhere to diabetes diet, quit smoking and limit alcohol, control weight, low salt and low fat diet, avoid serious stress, anxiety and other states. Second, regular and effective exercise, exercise at least five times a week, each time lasting at least half an hour, exercise can improve insulin resistance, but also enhance insulin sensitivity, increase calorie consumption helps obese patients control weight. Third, on the basis of diet and exercise, appropriate glucose-lowering treatment plan should be given under the guidance of doctors. Fourth, in the course of treatment, regularly review blood sugar, monitor complications, and treat concurrent hypertension, hyperlipidemia and other metabolic abnormalities.