Low pressure 56mmHg should be handled for different situations, as follows: i. If it is physiological hypotension, no special treatment is needed, physiological hypotension does not cause adverse effects on the body and will not affect future life expectancy. Second, if it is caused by a weak constitution, this is also known as somatic hypotension, which requires active physical exercise to enhance personal physical fitness. 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, low pressure 56mmHg may be caused by related diseases, you need to go to the hospital to identify the specific cause and give effective treatment, such as patients with gastrointestinal bleeding should be treated with blood and fluid transfusion in a timely manner, while actively treating the primary disease causing gastrointestinal bleeding.