Excuse me baby tongue coating blackening is how to return a responsibility

Baby tongue coating black may be caused by excessive heat, mainly because the child's spleen and stomach function is poor, followed by indigestion may be caused, or because of eating some black color food, such as sour plum, black sesame paste, etc. In addition, when eating some drugs, such as compound licorice tablets, iron, etc., will also cause the phenomenon of black tongue.