The main danger of eating too much salt is increased blood pressure and peripheral edema. Daily salt as a condiment is essential, not only for its taste, but also for its main components. The main component of edible salt is sodium chloride, sodium ions and chloride ions are electrolytes essential for normal human activities, which play an important role in maintaining the body’s electrolyte balance and maintaining the activities of the nervous system, but there are also hazards if salt intake is too much. First of all, due to the high sodium intake, it will cause electrolyte imbalance and the formation of pressure difference between the blood vessels and the surrounding tissues, resulting in peripheral tissue edema, in addition, the High sodium chloride intake will stimulate the body’s blood pressure to rise, causing dizziness and other discomfort. Therefore, the daily salt intake should be kept below 6g/day.