Baby tongue green is rarely seen in pathological conditions, usually physiological, such as food, drink in the green pigment infiltration caused. Chinese medicine pays much attention to the examination method of looking at the tongue coating, but generally have not seen the record of green tongue coating, if the baby appears green tongue coating, and have bitter mouth, constipation, dry mouth and other symptoms, that is the internal fire is relatively heavy, commonly known as fire, can give the baby to eat the fire clearing food or medicine, such as honeysuckle, scutellaria baicalensis, yin chen, yellow gardenia, avocado, and so on. If the baby’s tongue has been relatively thick, the color is not normal, but also pay attention to often give the baby in time to clean up the oral cavity, especially after feeding formula feeding more water, to avoid fungal infections caused by thrush.