Low blood pressure, i.e. diastolic blood pressure, is high and is associated with poor diet, genetic factors and poor lifestyle habits, and use of medications. High diastolic blood pressure may also be hypertension, which is the state of having a diastolic blood pressure ≥ 90 mmHg and a systolic blood pressure < 140 mmHg. High diastolic blood pressure is related to the following factors. 1. Improper diet: If you eat too much salt and salty food, resulting in excessive sodium intake, it will lead to water and sodium retention, increase blood volume, and cause diastolic blood pressure to rise. 2. Genetic factors and bad habits: family genetics can also lead to high diastolic blood pressure, followed by staying up late, smoking and drinking, and other bad habits, can cause sympathetic nervous system dysfunction, endocrine disorders, high diastolic blood pressure. 3. Use of drugs: If you take hormone drugs, contraceptive pills and other drugs for a long time, it may lead to high diastolic blood pressure. High diastolic blood pressure is easy to cause damage to the heart, brain and other organs, triggering a variety of chronic diseases, such as cerebral infarction, stroke, coronary heart disease and so on. If you have a high diastolic blood pressure, you should go to a regular medical institution as soon as possible and follow the doctor's instructions for examination and treatment to avoid delaying your condition.