Seven months can eat egg yolk, need to be made into crushed, from less to more add. Most babies in four to six months to gradually add complementary foods, after six months can be appropriate to increase some of the end of the food, seven months can eat egg yolks, you need to crush the yolks made into a powder, or add the right amount of warm water to make a paste. Egg yolk is rich in nutrients, such as protein, fat, vitamins, trace elements, etc., is the baby’s rare high-quality food, you can eat in moderation. Baby to add complementary foods follow from less to more, from one to many, from fine to coarse, from soft to hard gradually add, try to let the baby actively participate in eating, increase the interest in eating, and cultivate the ability to coordinate and independent.