Low blood pressure of more than 50, usually refers to the diastolic blood pressure of more than 50 mmHg, the normal range of diastolic blood pressure of normal people between 80-89 Hg, if it is reduced to about 50 mmHg, it may be due to physiological reasons such as frail women, etc., or due to pathological reasons such as anemia, etc., for different reasons, the meaning of different meanings. 1. Physiologic hypotension: Some thin and weak women and elderly people may have lower than normal blood pressure, usually without clinical symptoms, which is called physiologic hypotension, and this condition is usually not dangerous, not very serious, and does not require special treatment. 2. Pathological hypotension: If the patient has anemia, infection, malnutrition, arteriosclerosis and other diseases, the diastolic blood pressure may also be reduced to 50 mmHg, and the patient may experience dizziness, fatigue and other symptoms. This situation may be dangerous, and it is recommended that the patient go to the hospital in time to identify the cause of the disease and carry out appropriate treatment for the cause.