There is no specific rule that babies under one year of age should not eat tofu, but it is important to be careful with moderation. If you are allergic to tofu, it is recommended that you do not eat tofu. Tofu, as a heterogeneous plant protein, may cause allergies in babies and uncomfortable symptoms such as abdominal pain, nausea, vomiting and diarrhea. Babies who are allergic to soy products should try not to eat tofu. If your baby is not allergic to tofu, you can add a small amount of tofu as a complementary food. Tofu is relatively soft and easy for your baby to eat, and it can also supplement a certain amount of protein. However, it should be noted that, within one year of age, try not to eat too much tofu, the baby’s gastrointestinal tract development is not yet perfect, tofu is rich in protein, may hinder the body’s absorption of iron, easy to cause indigestion of proteins, bloating, diarrhea and other discomforts. If the baby within one year old ate tofu discomfort, it is recommended to seek medical attention.