Salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in the form of a natural crystalline mineral is known as rock salt or halite. Salt is present in vast quantities in seawater. The open ocean has about 35 grams (1.2 oz) of solids per liter of seawater, a salinity of 3.5%.

Based on TCM, salt can be used to:

1. clears heat
2. cools the blood
3. moistens dryness
4. down bears qi
5. strengthens kidneys
6. loosens phlegm.

The preparation methods of salt are as seasoning and dissolved in warm or hot water.

Some indications that can be reduced by salt are:

 * Kidney yin and yang vacuity: supplements the kidney organ network when taken in moderation.

 * Fire flaming upward due to yin vacuity: dizziness, headaches, red eyes, mouth and tongue ulcers, bleeding gums, constipation, hoarseness, and sore throat.