Tongue coating can be removed by using enhanced oral hygiene care, using tongue scraper, improving dietary habits, using mouthwash, etc. It is recommended that it is best to seek the advice of a dentist before taking different measures. 1. Enhance hygiene care: When oral hygiene is not in place, the flora in the mouth is out of balance and bacteria multiply, which leads to a thick tongue, which can be prevented by strengthening hygiene care, brushing teeth and gargling diligently to remove the tongue, thus preventing hypertrophy of the tongue. 2. Tongue scraper: there are special tongue scraper on the market, can effectively scrape the tongue moss on the tongue, the use of tongue scraper need to pay attention to repeat the action of scraping along the root of the tongue to the outside, repeated several times, until completely clean. 3. Improve dietary habits: remove tongue moss also need to pay attention to dietary issues, usually try to avoid eating too spicy and stimulating as well as greasy food, to prevent food residues left on the tongue, it is best to eat more fruits, vegetables and crude fiber and other foods, can help the tongue body activities, so as to remove the tongue moss. 4. Use mouthwash: generally after eating or brushing teeth, with the use of chlorhexidine or metronidazole mouthwash, can effectively inhibit the growth of bacteria in the mouth, and can make the tongue moss off, so as to achieve the role of removing tongue moss. It is recommended that you consult your doctor for treatment modalities and medications.