Salt has a pungent warmth to drive away cold, preventing the role of evil deep into the body, frying the heat of the medicinal properties easier to play. Massage the body with heated salt packets can play a role in making the body sweat, expel toxins from the body and stimulate the body's resistance.

In addition, the salt packet hot compress, will make the sore parts of the blood circulation much smoother. Blood circulation is normal, the metabolism will be accelerated, the waste in the blood and muscle lactic acid will be "taken away", soreness will naturally be reduced.