Baby more than five months can not add complementary foods, general baby six months before you can start adding complementary foods, at the same time need to pay attention to follow the fine to coarse, from less to more, from soft to hard, from one to many principles. 1. from fine to coarse: the baby is generally full six months before the start of adding complementary foods, the baby can first add iron-containing formulas such as rice flour, vegetable puree, fruit puree and other pureed food, and then gradually transitioned to crushed food, this process can help babies learn to chew. 2. From small to large: at the beginning, you can give your baby a small amount of rice flour immediately after breastfeeding, and eat it with a spoon, which can be used to replace breast milk at the age of 6~7 months. 3. From soft to hard: As babies grow, harder foods can promote the eruption of teeth. 4. From one kind to many kinds: For example, during the introduction of vegetables, each kind can be tasted 1~2 times a day until 3~4 days after getting used to it, and then replace it to stimulate the development of the sense of taste. In case of doubt or discomfort, it is recommended to seek medical advice and consultation in a timely manner.