Sweating a lot because the sweat can eliminate a lot of salt, so you need to drink salt water. Salt water is mainly contains a small amount of sodium chloride, a lot of sweating after the discharge of a large amount of sodium chloride, the body is in a kind of fatigue, weakness, supplemental sodium chloride can effectively replenish the body must be electrolytes. It is recommended that after a large amount of sweating, should be supplemented with 500-1000ml of sodium chloride, you can eat more salty food, so as to effectively enhance the normal vitality of the human body, effectively reduce walking weakness, weakness, and effectively improve the symptoms of the human body.