Most of them are recommended to be eaten in the morning, in order to observe whether the baby will have some indigestion after eating the complementary food, whether there will be nausea, vomiting or bloating, diarrhea and other phenomena, which is easy for parents to observe during the day. If you eat supplemental food in the afternoon or evening, usually at night, it is not conducive to observe whether the baby’s specific situation is adapted to the supplemental food. The principle of baby eating complementary food is to add it slowly and gradually, that is, do not be too hasty, but gradually add the same complementary food, and gradually observe the baby’s reaction. From the initial watery if juice, vegetable juice, etc., gradually transition to a pureed appetite, such as puree, vegetable puree, meat puree, etc., from the pureed food and then transition to the end of the food, such as minced vegetables, minced meat, etc., to the final transition to the adult diet in about a week’s time. To slowly and gradually add complementary foods, the first addition as much as possible in the morning, to facilitate parents to observe the baby’s reaction.