Occasional small amount of salt before a baby is one year old is generally not harmful, but if a large amount of salt is consumed for a long time, it may affect the kidney metabolism, or cause babies to be picky eaters, inducing malnutrition and so on. Before one year of age, some babies may add complementary foods, you can add a small amount of salt in the complementary foods, generally does not cause adverse effects. However, salt intake should be limited and not added in large quantities. Excessive consumption of salt may affect the kidney metabolism and adversely affect the normal development of babies. And excessive intake of salt, so that the baby tastes heavy, may also lead to picky eating partiality, long-term may also make the baby malnutrition. Therefore, one year old baby, parents must strictly limit the amount of salt intake, avoid excessive consumption, in the daily also want to adjust other diet, should be a balanced diet, do not picky eating partiality, to achieve balanced nutrition, supplement a variety of nutrients, is conducive to the growth and development of the baby. If you find your child’s body abnormal symptoms, you should go to the hospital in time to consult a physician for guidance.