The treatment of type 1 diabetes mellitus is similar to other diabetes mellitus, including diet, exercise, medication, blood glucose self-monitoring, from the following aspects: 1, the diet should control the total number of calories, according to its intensity of labor to determine the total number of calories, balanced diet, both the total amount of control of carbohydrates, but also to be appropriate to relax, fat intake should be carried out to limit the protein of food to choose high-quality protein, less salt, low-fat, to ensure that fiber intake increases. Ensure that the increase in fiber intake, to ensure that vitamins and minerals increase, because most of the type 1 diabetes is relatively young, especially children with diabetes, which is in a period of more activity, so small, frequent meals, regular, quantitative, not only to ensure that the growth and development of children, but also to ensure that the blood glucose control to the ideal range, and at the same time can not be partial food, to balance the diet to ensure that a variety of food intake; 2, exercise, if the patient its pancreatic islet function is lacking, so individual patients will appear ketoacidosis, in the case of ketoacidosis, avoid exercise, especially type 1 diabetes mellitus combined with cardiovascular and cerebral vascular disease, diabetic nephropathy or fundus lesions are more serious, it is not recommended that the exercise, if the blood glucose control is still relatively ideal, there is no ketoacidosis, there is no ketosis and there is no serious complications, you can carry on the Moderate exercise, such as 1-2 hours after meals can be active for half an hour, five times a week; 3, insulin treatment, because type 1 diabetes mellitus insulin absolute lack of insulin, dependence on insulin for survival, so this patient found diabetes mellitus, the early use of insulin, to control its blood glucose, to prevent acute and chronic complications; 4, blood glucose self-monitoring, to understand its current Blood glucose control, if the blood glucose control is not ideal, to timely medical treatment, find a doctor to regulate its treatment program; 5, more participation in some diabetes patient education, more knowledge, especially children’s diabetes, you can participate in some of the children’s diabetes camp, to increase the knowledge of diabetes patients, increase their confidence in life. Therefore, the control of type 1 diabetes includes diet, exercise, medication and self-monitoring of blood glucose to keep blood glucose in the ideal range and avoid fluctuation of blood glucose and damage to target organs caused by high blood glucose.