Low blood pressure of 56mmHg should be handled for different situations as follows: First, if it is physiological low blood pressure, no special treatment is needed, physiological low blood pressure does not cause adverse effects on the body and will not affect the future life expectancy. Second, if it is caused by physical weakness, which is also known as somatic hypotension, it is necessary to enhance one’s physical fitness through active physical exercise. In the usual diet, patients should eat more high-quality protein foods, such as fish, shrimp, lean meat, eggs, milk and soy products, etc., can effectively restore blood pressure. Third, the low pressure of 56mmHg may be caused by related diseases, the need to promptly go to the hospital to find out the specific causes and give effective treatment, such as gastrointestinal bleeding patients should be timely blood transfusion and transfusion treatment, while actively treating the primary diseases that cause gastrointestinal bleeding.