Drinking salt water in summer is good, because the summer temperature is high, sweating is relatively large, resulting in the loss of salt in the body, we all know that salt is very important to the human body, such as the maintenance of the concentration of body fluids, generally from the nutritional point of view, edible salt in addition to salt also includes potassium, iodine, and other substances, which are essential to the human body, but nothing can not be overdone (it is said that excessive intake of iodine will be poisoned, oh, good). Fear ~~), so I think it is not good to drink only salt water drinks. In addition, summer, vitamin C, as well as vitamin B loss is also more serious, it is recommended to supplement