Babies can eat salt after 13 months, at this time the baby’s kidneys gradually development tends to be perfect, and the demand for salt increases, you can add salt in the diet, but need to pay attention to the right amount. Within 13 months of the baby’s diet in the breast milk and the addition of complementary foods in the sodium ions contained in the baby’s body can almost meet the needs of the baby, so within 12 months of the baby does not need to add additional salt. After 13 months with the baby’s age and growth and development accelerated, the baby’s body demand for salt increased, then you can add salt. As babies’ kidneys are not fully developed, adding too much salt will often increase the burden on the kidneys and may lead to renal insufficiency. If the baby is vomiting, diarrhea, etc. caused by the loss of salt is more, and electrolyte disorders, oral rehydration salts are beneficial to the child, never because of salt and interfere with the baby’s intake of nutrients as well as the treatment of the disease.