First, excessive salt intake will promote the occurrence of hypertension, some studies have confirmed that the occurrence of hypertension and salt intake is positively correlated, the more salt intake, the higher the incidence of hypertension; second, excessive salt intake will cause nutritional loss, for example, excessive salt intake will make the loss of calcium in the human body is more obvious, and in the stir-fry, too much salt, salt will destroy the cell structure of vegetables, so that Thirdly, excessive salt intake will also promote the occurrence of tumors, especially stomach cancer.