Eight-month-old babies are recommended to have complementary food twice a day. Eight-month-old babies in addition to 700-800mL of milk a day, but also need to increase the appropriate complementary foods, such as thick porridge, vegetable puree, fruit puree, egg yolks, meat puree, liver puree, and so on, and gradually achieve a balanced daily intake of eggs, meats, fruits and vegetables. However, it should be noted that the texture of complementary foods should be pureed or crumbled, and salt should not be added. In addition, the vegetable oil used for complementary foods should be limited to 0~10g. It is recommended that the number of complementary food meals should be twice a day, and the types of complementary foods should be varied from single to multiple, with only one new food added each time, and the amount of food added should be varied from a small amount to a large amount. Each introduction of a new food should be adapted for 3d~5d, observe whether there are adverse reactions such as vomiting, diarrhea, rash, etc., and add other new foods after adapting to one food. Gradually increase the types of complementary foods.