At present, babies need to be fed mainly with milk powder or breast milk and other dairy products for eight months. Appropriate addition of supplementary food is beneficial to the adequate intake of nutrition for babies. At this stage baby complementary food can be consumed chopped vegetables, egg yolk, porridge, noodles, fish, minced meat, etc.. The nature of complementary foods should be soft and semi-solid. In addition, the variety of vegetables made for babies should be varied, such as carrots, tomatoes, onions, etc. For babies who are often constipated, choose foods with more dietary fiber such as spinach, cabbage, radish, and green onion to promote their gastrointestinal tract peristalsis. Although the appropriate addition of complementary foods can help supplement nutrition, but such as improper addition of complementary foods, can also cause adverse effects. Therefore, eight months baby add supplementary food considerations are as follows: 1, add the amount of less to more, do not eat too much at a time, to prevent increased digestive burden on the baby’s gastrointestinal tract; 2, after adding supplementary food to pay attention to observe the baby’s skin to see if there are allergic reactions, such as skin redness, eczema and other manifestations, such as the above-mentioned situation, should stop adding this supplementary food; 3, the food should not be too fine, too fine supplementary food, will make The baby’s chewing function is not properly trained, which is not conducive to the eruption of its teeth, cheek development will also be affected.