Tongue with teeth marks and white tongue coating may be caused by weak spleen and stomach, heavy dampness, cold drinks and other reasons. 1. Weakness of the spleen and stomach: If the patient has a weak spleen and stomach, it can not transport water and dampness, so that dampness is blocked in the tongue, the tongue will become fat, squeezed will form a tongue with teeth marks, the essence of the food and the dregs of the material can not be normal lifting and lowering stays in the body, there will be a phenomenon of the tongue coating white. 2. Dampness: If you live in a humid environment for a long time, it will lead to the body’s dampness is heavy, so that the body’s poor circulation of qi and blood, the circulation of the tongue around the obstacle, the tongue will appear slightly enlarged, which is subject to the extrusion of the teeth will form a tooth mark, and at the same time, it will cause gastrointestinal dysfunction, which will lead to the emergence of the phenomenon of the white tongue coating. 3. Cold drinks stop inside: water and liquid transportation is not normal, it happens to stay in the body for a long time, gathering for phlegm, and there will be symptoms of fat tongue, teeth marks and white tongue coating. Tongue with teeth marks and white tongue coating may also be other reasons, it is recommended to go to a regular hospital, by the Chinese medicine diagnosis and treatment.