Drinking light salt water on an empty stomach can not lose weight. Drinking light salt water on an empty stomach in the morning can relieve constipation in the clinic, and it is a tip for healthy living because drinking light salt water on an empty stomach can make the intestines absorb water, thus achieving a laxative effect, but it does not have a direct effect on weight loss. Weight loss should be through a healthy, light diet, with more exercise, and is to adhere to the exercise, in order to effectively control weight growth. Drinking light salt water on an empty stomach does not have the effect of fat loss and weight loss, in addition to the effect of relieving constipation, so drinking light salt water on an empty stomach in the morning is not able to lose weight.