Normal tongue moss is generally thin white and uniform, moderately dry and wet, slightly thicker in the middle and root of the tongue, so there is white tongue moss inside the tongue, which may be normal tongue moss or abnormal tongue moss, which needs to be discussed according to the moist and dry, slippery performance of the tongue moss, divided into situations. 1, moss thin white and moist: mostly caused by the beginning of the table evidence or Yang deficiency of internal cold, because the evil in the lighter, or the evil in the table has not entered the inside, not hurt the stomach qi, so The tongue coating has not changed. If the symptoms are caused by superficial evidence at the beginning, there will be symptoms such as bad cold, fever, cough, runny nose, etc., which can be treated with medicines to dispel the wind and relieve the symptoms, such as Gui Zhi Tang; if the symptoms are caused by Yang deficiency and internal cold, there will be symptoms such as fear of cold, unheated limbs, etc., which can be treated with medicines to disperse cold and warm Yang, such as Jin Kui Kidney Qi Wan; 2. Thin white and slippery coating: mostly caused by external cold and dampness, or by deficiency of spleen and kidney yang and internal stagnation of water and dampness. If the external cold and dampness, there will be cough with phlegm, fever, bad chills, stuffy nose and heavy voice, etc., you can take drugs to dispel dampness and relieve the surface, such as Ginseng Defeat Capsules; if the spleen and kidney Yang deficiency, water and dampness within the stop, there will be pain and heaviness in the limbs, urine and other symptoms, you can take drugs to warm Yang and water, such as Zhen Wu Tang; 3, thin white coating and dry: mostly caused by external wind-heat or cold and dry, is due to heat, dryness and injury to the fluids, fluids It is caused by heat or dryness, which injures the fluids, and the fluids are not sufficient, and the tongue is not moistened. If it is wind-heat, the symptoms will be fever, slightly evil wind-cold, sore throat, cough, etc. You can take pungent and cooling drugs, such as Yin Qiao San. If it is cool and dry, it will show symptoms such as cold and no sweat, cough with thin phlegm, dry nose and throat, etc. You can take drugs that lightly promote coolness and dryness, such as apricot sulforaphane. 4. If it is dampness and turbidity, there will be stuffiness in the chest and abdominal plagiocephaly, and diet does not change. If it is internal carbuncle, it should be treated according to the location of the disease; if it is plague, it will show symptoms such as abhorrence of cold and strong heat, nausea, vomiting, headache and irritability, etc. Drugs to avoid obscenity and dissolve turbidity, such as Gao Wei Da Yuan Drink, can be used; 6. white moss and dry and cracked: it is mostly caused by dryness and heat that injures fluid, loss of yin, and loss of moistening of the tongue, which will show symptoms such as constipation, thirst, and red tongue, etc. Drugs to increase fluid and moisten dryness, such as Zeng Li Tang, can be used.