The gastrointestinal function of five-month-old babies is still not well developed, it is recommended to add complementary foods to babies at six months. Complementary food is not fixed only practice, but need to follow from a single to a variety, from thin to thick, from less to more, from soft to slightly hard law gradually add. Five-month-old baby, gastrointestinal function development is not mature enough, usually still exclusively breastfeeding is the main, if breast milk is not enough, you can add appropriate formula to meet the baby’s growth and development needs. To be six months after the baby, the development of gastrointestinal digestive system is further improved, you can properly add complementary foods to the baby. There are many complementary food practices, but need to follow from a single to a variety of, from thin to thick, from less to more, from soft to slightly hard law gradually add. For example, you can add a small amount of rice flour to the baby at the beginning, gradually increase the amount, and then transition to add fruit and vegetable puree, meat puree, and so on. It should be noted that the baby supplemental food is best not to add sugar, salt and other condiments. And need to do now eat, do not eat overnight. Secondly, complementary foods can not replace dairy products, six-month-old baby staple food or to breast milk.