Yin deficiency and dampness-heat tongue coating is often manifested as red tongue, moss yellow greasy and so on. However, the specific tongue expression needs to be decided according to the individual situation. Yin deficiency patients, the symptoms of cheek flushing, dry throat, five heart heat (two hearts and two feet heart heat, and consciously heart and chest heat), hot flashes (a burst of heat), night sweats (after going to sleep sweating abnormally, waking up sweating to stop) is the main. In patients with dampness-heat, the symptoms are head and body drowsiness (a feeling of heaviness in the head and limbs), low food intake, abdominal distension, nausea, bitter taste in the mouth, irascible and unshaped stools, small amount of urine that is yellow and has a bad odor, and skin that is mainly itchy and ulcerated with running water. If you have any of the above discomforts, it is recommended to seek prompt medical treatment.