Before the age of one if occasionally eat a small amount of salt is generally no serious harm, but if a large amount for a long time or too early to the baby to eat salt, there may be the following aspects, such as interference with the taste experience, cause kidney damage, cause partiality, picky eaters and so on. 1. Interference with taste experience: Babies before the age of one eat salt, especially eat more salt, easy to baby’s taste experience caused by interference. The main reason is that before the age of one is in the stage of just adding complementary foods, this stage, the child’s sense of taste is more sensitive, for all kinds of food is full of curiosity, if you eat salt too early, it is easy to interfere with the taste experience. 2. cause kidney damage: one year before the baby’s kidney development is still immature, this period if the baby to eat salt, especially excessive intake of salt, is likely to cause damage to the kidneys. 3. cause partiality, picky eating: if the baby before the age of one year to eat salt, especially eat too much salt, easy to lead to the baby heavy taste, for natural food sensitivity is reduced, time is easy to cause partiality, picky eating situation. It can be seen that often giving salt to babies before the age of one, especially in large quantities, may produce some harm, and parents should pay attention to it. If the baby shows signs of physical discomfort, he should seek medical attention in time.