Reasons for thick tongue coating

Tongue coating thick greasy reasons, usually eat some cold food, resulting in excessive moisture and cold body caused. May also be because usually eat some spicy food caused by the fire. If you usually overeat, or eat some raw, cold and rotten food, it may also cause indigestion, so you will show thick and greasy tongue coating on your tongue. At this time, you must adjust your diet, eat some light and digestible food, and do not work in a humid environment for a long time.