Soy milk is not recommended for infants. Infants within 6 months, it is not recommended to add complementary foods, to breastfeeding, or infant formula, due to the immature development of the infant’s gastrointestinal function, the addition of complementary foods can easily lead to indigestion. More than 6 months of infants, just started to add complementary foods, is not recommended to drink soy milk, soy milk contains a large number of plant proteins, belonging to the heterogeneous proteins, the baby’s digestive function is not perfect, may trigger allergic conditions, soy milk in the digestive process will produce gas, triggering the child’s abdominal distension, affecting the digestive function. You can wait until after 1 year of age with the gradual increase in complementary foods, the gastrointestinal tract to get exercise, and slowly begin to add soybean milk, soybean products and so on.