Low blood pressure of 53mmHg is an abnormal phenomenon, belonging to low blood pressure. When low blood pressure occurs, it is necessary to further find out the cause of low blood pressure and deal with it for different situations as follows: 1. Physiological low blood pressure: If the low blood pressure belongs to physiological low blood pressure, this situation does not need special treatment and will not cause adverse effects on health. If low blood pressure is caused by a weak constitution, you need to do physical exercise to improve the quality of your body. At the same time, in the usual diet to strengthen the nutrition, is conducive to the recovery of blood pressure. 2, pathologic low blood pressure: if the disease caused by low blood pressure, we must promptly identify the relevant diseases, and active treatment, so that the disease can be effectively controlled, to avoid further development of the disease, resulting in the occurrence of adverse consequences.