If a diabetic patient’s blood glucose drops to 5.5mmol/L, the medication should not be stopped at will, but can be stopped under the guidance of a doctor. For diabetic patients, the goal of glycemic control is generally in the fasting blood glucose 4.4mmol / L ~ 7.0mmol / L, non-fasting blood glucose not more than 10.0mmol / L. If the medication during the blood glucose down to 5.5mmol / L although belong to the sugar control standard, but not arbitrarily stop the drug, easy to lead to blood glucose fluctuations, you can adjust the dose under the guidance of the doctor or stop the drug, but the need for regular review. In addition to diabetes, certain drugs can also lead to elevated blood glucose, such as glucocorticoids, thiazide diuretics, immunosuppressive drugs, etc.; the human body is subjected to trauma can also lead to elevated blood glucose, such as trauma, surgery and so on. For people with secondary hyperglycemia, when the primary factors are lifted, the blood sugar can return to normal and there is no need to continue taking hypoglycemic drugs. When blood glucose drops to 5.5mmol/L, it is recommended to consult a professional doctor to decide whether to stop taking the medication according to the individual’s situation, and it is risky to stop taking the medication blindly.