For one week old babies, it is not recommended to eat salt. This is because if a child is within 6 months of age, he or she can fully meet his or her growth and development needs by drinking breast milk or drinking formula. The nutritional elements in milk can meet all the needs of children, there is no need to add any other food. After 6 months of age, children can slowly add some complementary foods. For example, minced meat, rice flour, egg yolk and so on. These foods can also meet part of the child’s growth needs. It is very beneficial for the growth and development of the child. In this case, it is also not recommended for children to eat salt. If they eat too much salt, it will overload their kidneys. Children are young and their kidney load capacity is relatively poor. It is easy to cause kidney damage in children, resulting in impaired kidney function.