Which part of tongue coating does it mean?

Tongue coating refers to a layer of white or other color substances on the surface of the tongue, usually distributed on the surface of the tongue.

Tongue coating is the back of the tongue, near the throat. Tongue coating mainly reflects gastrointestinal motility and hepatobiliary function. Common tongue coating abnormalities include thick white tongue coating, yellow tongue coating, etc., which may be related to dyspepsia, damp and hot. Tongue coating is the middle part of the tongue. Tongue coating mainly reflects digestive function of the spleen and stomach and qi and blood condition. Common tongue coating abnormalities include wet tongue coating, dry tongue coating, etc., which may be related to deficiency of spleen and dampness, qi and blood deficiency, etc.

In addition, by observing the color, shape, moisture and other characteristics of tongue coating, doctors can preliminarily judge the patient's physical condition and disease changes.