If an infant eats breast milk with white tongue moss, it is mainly caused by functional indigestion and white color of breast milk, as follows: 1. Functional indigestion: If an infant eats more milk than the digestive capacity, breast milk will be stored in the infant’s gastrointestinal tract, and if breast milk goes up with stomach gas, it will lead to white tongue moss and thicker tongue moss. Infants are often accompanied by bloating, tummy pain, undigested milk flaps in the stool and other symptoms, for infants with functional indigestion, you can eat some anti-food drugs, such as the application of probiotics, or Wang’s Bao Chi Wan and other Chinese medicine; 2, breast milk color white: breast milk is white, infants eating breast milk will appear white tongue coating, but the tongue coating is not thick, the mental state is also good, this is a normal situation.