Children with milk protein allergy can eat rice flour, and it is recommended to start with rice flour when adding complementary foods. Milk protein allergy is the body’s allergy to the protein in milk, and rice flour does not contain this protein, so it is safe to eat. For babies with milk protein allergy, rice flour should be added first, followed by mashed vegetables, fruits, potatoes, pasta, meat, egg yolks and soy products, starting with small amounts and observing the child’s gastrointestinal tolerance and acceptability after adding.