What is the reason for the seven-month-old baby's yellow tongue coating

Seven months of baby tongue coating yellow are generally caused by fire, parents should pay attention to the baby after eating milk powder can feed more water, eat more fruit juice, such as apple juice, pear juice, banana juice, cucumber juice, and pay attention to the baby's oral hygiene. In addition, the mother can also use a piece of sterilized gauze wrapped around her finger and dipped in warm water to clean the baby's mouth, clean the residue in the mouth and milk cubes, clean the tongue coating, and maintain the baby's oral hygiene. The above health science knowledge is for reference only.