Taste abnormalities refer to people who have an abnormal taste in their mouth when they eat, or feel an abnormal taste in their mouth even when they do not eat. In Chinese medicine, because the spleen is open to the mouth, stomach, heart, kidneys, etc., the qi of the internal organs also follows the meridians to the mouth, so the abnormal smell in the mouth is a reflection of the malfunction of the above-mentioned internal organs or other internal organs pathology. Light mouth refers to the loss of taste in the mouth, light and tasteless, or unable to taste the taste of food. Many diseases can cause a pale mouth. The actual fact is that you can use the spleen and stomach medicine to treat the phlegm and dampness, and you can use the spleen and stomach medicine to treat the phlegm and dampness, and you can use the spleen and stomach medicine to treat the phlegm and dampness. The results are very good. The digestive system diseases such as enteritis and dysentery often have a light mouth, and the evidence is mostly dampness in the gastrointestinal tissues or with cold, although the actual evidence, but we should pay attention to not use too bitter cold drugs. It has been clinically determined that patients with severe pale mouth, to pale mouth: pale mouth is mostly seen in patients with prolonged illnesses spleen and stomach deficiency cold, after major surgical procedures patients with loss of appetite will also feel pale and tasteless mouth and tongue. The former is the manifestation of evil still light and shallow, while the latter is the image of evil receding and deficient, and its significance is obviously different from that of mouth bitterness. Enteritis, dysentery and other digestive system diseases also often have a light mouth, the identification is mostly dampness in the gastrointestinal tract or host to cold evil, although the actual evidence, but we should pay attention to not use too bitter cold drugs. It has been clinically determined that patients with severe light mouth are insensitive to sweet, sour, bitter and salty tastes, and the taste threshold appears to be generally elevated. The former is mainly divided into two types: spleen deficiency and dampness obstruction. In addition to pale mouth, the former also has symptoms of spleen deficiency such as fatigue and shortness of breath, abdominal distension and loose stools, and weak tongue and pulse. In the latter case, symptoms of dampness obstructing the spleen and stomach are seen, such as pale and sticky mouth, nausea and chest tightness, greasy coating and moist pulse.