To add egg yolks for 6-month-old babies, you can boil the eggs and take the yolks and add water or mix them in rice flour and feed them to your baby, or you can steam the yolk custard. Egg yolk is a nutritious complementary food, rich in unsaturated fatty acids, lecithin, vitamin A, vitamin B, calcium, zinc and other nutrients, for the growth and development of the baby has a certain help. When adding egg yolk to your baby, start with a small amount and watch your baby for any discomfort. To add egg yolk to your 6-month-old baby, first boil the eggs, separate the egg whites from the yolks, crush the yolks and put them into rice flour, or dilute them with water and feed them to your baby with a spoon. You can first add 1/8 of the yolk, observe whether the baby is allergic to the yolk, observe whether the baby has obvious rash or congestion and edema around the mouth, whether there is skin rash on the body, whether it is accompanied by obvious nausea, vomiting, abdominal distension, abdominal pain, diarrhea and other gastrointestinal symptoms. If there are no such symptoms, you can gradually increase the amount of egg yolk in the complementary food. In addition, you can also give your child an egg yolk soup, take fresh eggs, separate the yolks from the whites, add an appropriate amount of water to the yolks and mix them well, put them into a steamer to steam and cool, and then feed them to your baby with a small spoon. You can also add a small amount of tomato, celery leaves, tofu and other ingredients in the egg yolk soup. Be careful when you start to give your baby a small amount, and observe if your baby has any discomfort after eating. If there is no discomfort, then gradually increase the amount of egg yolk your baby eats.