Babies usually start eating egg yolks at the age of 7 months and are advised to pay attention to adding them gradually while observing the child for symptoms such as vomiting and diarrhea. Egg yolk as a food is rich in fat, protein, calcium and iron, and can be used as one of the sources of supplementary nutrients and minerals such as calcium. It is recommended that the baby after 7 months to add egg yolk as a complementary food, 6 months or so can be added to the baby iron fortification rice powder as a baby’s complementary food, if the baby after eating rice powder no adverse reaction, you can give the baby gradually add egg yolk. In addition, at the same time to pay attention to the baby in the consumption of egg yolk, whether there is nausea, vomiting, rash, diarrhea, abdominal distension and other symptoms, if so, should promptly stop eating egg yolk. And the amount of egg yolk should not be too much at one time, to prevent the baby indigestion symptoms.