Low blood pressure is diastolic blood pressure, and a diastolic blood pressure of 111mmHg is not normal. The body’s blood pressure consists of both systolic and diastolic blood pressure. Systolic blood pressure should be less than 140mmHg and diastolic blood pressure should be less than 90mmHg under normal conditions. If a patient’s blood pressure is measured three times on a non-same day, hypertension can be diagnosed if the systolic blood pressure is greater than 140mmHg or the diastolic blood pressure is greater than 90mmHg. Diastolic blood pressure of 111mmHg alone belongs to the second level of hypertension, and it is necessary to go to the hospital in time for consultation, and according to the doctor’s advice, take the appropriate antihypertensive drugs orally for antihypertensive treatment, and also need to make lifestyle adjustments, such as a low-salt diet, appropriate exercise, and obese or overweight patients need to be active in weight loss, especially for abdominal obesity patients, weight loss is necessary. If patients do not actively control their blood pressure and diastolic blood pressure continues to remain above 100mmHg, they may experience dizziness, headache, fatigue, palpitations, blurred vision or even nosebleeds. If the above symptoms occur, they need to go to the hospital in time for checkups and treatments in accordance with the doctor’s instructions.