Blood pressure low pressure more than 50, should first determine whether it is physiological hypotension or pathologic hypotension, if it is pathologic hypotension need to be treated, physiological hypotension pay attention to the changes in blood pressure, do not need treatment for the time being. 1. Physiological hypotension: Generally speaking, when diastolic blood pressure is lower than 60mmHg, it is called low blood pressure or hypotensive state. However, blood pressure is affected by many factors, such as family history, personal physical fitness and other factors. Blood pressure low pressure 50mmHg more, if there is no any uncomfortable symptoms, and after long-term follow-up, in addition to low blood pressure, the body’s various systems and organs without ischemia and hypoxia and other anomalies, it can be considered as physiological low blood pressure, do not need specialized treatment. 2. Pathological hypotension: hemorrhage (such as gastrointestinal tract, trauma, etc.), diarrhea, severe dehydration, serious infections, malignant tumors, malnutrition and other diseases can cause low blood pressure, for this kind of pathological low blood pressure should be immediately to the hospital, the professional doctor to treat the primary disease, and strengthen the nutrition. It is recommended to consult a specialized hospital and be evaluated by a physician, and not to take medication on one’s own.