After the baby can eat egg yolk is not necessary to eat every day. Egg yolk is rich in nutrients, rich in protein, fat and minerals, rich in iron, can provide a variety of nutrients for the baby’s growth and development, to prevent the baby iron deficiency anemia. But it is not irreplaceable, for example, you can gradually add lean meat, fish and other high-protein foods, do not have to strictly every day must eat egg yolk. Generally, babies start to add complementary foods after 6 months of age, introducing solid foods. One of the principles of adding complementary foods is from one to many, introducing a variety of foods can stimulate the development of the baby’s sense of taste. It is recommended to gradually diversify the types of food according to the season, the age of the baby and the baby’s own condition, and to promote a diversified diet. Moreover, it is also important to take into account the baby’s preference. If the baby does not like it, there is no need to force the baby to eat it every day.