High blood sugar may be one of the causes of premature ejaculation. If it is clear that premature ejaculation is caused by high blood sugar, it is usually necessary to control blood sugar through dietary therapy, exercise therapy, and medication to improve the symptoms of premature ejaculation. Patients with high blood sugar need to control the total daily calorie intake and avoid eating foods high in sugar, salt, fat and calories, such as fried chicken, cakes and milk tea. You can exercise properly, such as jogging, playing tai chi and walking. If high blood sugar is caused by diabetes, you can take oral hypoglycemic drugs as prescribed by the doctor, such as metformin, acarbose, glipizide, etc., and if necessary, you can also inject insulin for treatment, and the specific drugs need to be selected according to the patient’s different conditions, and follow the doctor’s instructions. Long-term high blood sugar may cause autonomic neuropathy, which may cause secondary premature ejaculation, therefore, in the control of blood sugar at the same time, you can apply to improve the neuropathy of the drugs, such as methylcobalamin, nerve growth factor and so on. Specific treatment plan is recommended to consult a professional doctor.