Fasting blood glucose 7.19 mmol/L needs to be controlled by diet and exercise, and if it does not reach the desired target, glucose-lowering drugs should be added under the guidance of a doctor. Diagnostic criteria for diabetes mellitus: Fasting blood glucose ≥7.0 mmol/L, or 2-hour post glycemic load blood glucose ≥11.1 mmol/L, or random blood glucose ≥11.1 mmol/L, accompanied by three more and one less symptom, diabetes mellitus can be diagnosed. A diagnosis of diabetes mellitus was also considered in the absence of diabetic symptoms with a fasting blood glucose ≥7.0 mmol/L or a two-hour postprandial blood glucose ≥11.1 mmol/L on two occasions not on the same day. Fasting blood glucose 7.19mmol/L is considered to be diabetes mellitus, first of all, you need to strictly control the diet, low-salt and low-fat diabetic diet, staple food rationing, coarse and fine with more vegetables, meat, eggs, milk, limit the intake of fat, pay attention to determining the total daily calories. At the same time, appropriate exercise to reduce weight, it is recommended that more than 150 minutes of aerobic exercise per week. On the basis of diet and exercise treatment, if the blood glucose still does not reach the ideal target, you need to consult a doctor in time and add glucose-lowering drugs under the doctor’s guidance.