Babies can eat walnut puree appropriately when they start to add complementary foods at 6 months of age, and can eat chopped walnuts at 7 to 9 months of age, and it is best to wait until after 3 years of age to eat whole walnuts. There is no food sequence required for eating complementary foods, but attention must be paid to the nature of the food. Around 1.6 months, when babies add complementary foods, they can eat pureed walnuts. Be careful not to feed babies whole walnuts directly to avoid choking. Usually, you can choose to puree walnuts and mix them with rice flour; 2.7~9 months, the baby can eat crushed food, you can grind walnuts into powder or chopped, crushed, added in the rice or rice flour, with other foods together. 3. It is best to wait until your baby is 3 years old before giving them whole walnuts to avoid choking. Note that walnuts contain high fat content, can not eat too much at once. It must be in moderation so as not to cause indigestion, abdominal pain or diarrhea and other gastrointestinal symptoms. Baby’s diet is recommended to consult a doctor, under the guidance of the doctor to add complementary foods, do not blindly believe rumors feeding, in order to avoid adverse consequences.