Hypertensive patients can drink black coffee, but in moderation, not excessive consumption. At present, China’s blood pressure standards are, normal: systolic blood pressure <120mmHg, diastolic blood pressure <80mmHg; high normal: systolic blood pressure 120～139mmHg and/or diastolic blood pressure 80～89mmHg; hypertension: systolic blood pressure ≥140mmHg and/or diastolic blood pressure ≥90mmHg, which is applicable to adults over 18 years old. For patients with hypertension, they need to pay attention to maintaining a low-salt and low-fat diet and eating fresh vegetables and fruits daily. Black coffee can be consumed in moderation, but not in excess. Black coffee contains caffeine, which can cause nervous system excitement, leading to faster heart rate, may cause blood pressure rise, is not conducive to the control of blood pressure in hypertensive patients. It is recommended that patients standardize treatment under the guidance of a doctor, eat a balanced diet, reasonably control blood pressure, and consult a doctor in case of discomfort.