Do you sometimes get a sudden craving for acid, or a sudden craving for something spicy that wakes up your tastebuds? This is a disease! You may not know, the sudden changes in your sense of taste are a reflection of physical ailments. 1. turn sour: the heat of the liver and gallbladder erosion of the spleen Chinese medicine believes that liver heat is sour mouth, mostly due to the heat of the liver and gallbladder erosion of the spleen after the formation of, and many people may also have a tongue with thin yellow coating, abdominal distension, nausea after eating, or even symptoms such as chest tightness and rib pain, which signals that you may be suffering from diseases such as gastritis or peptic ulcers, and it is best to do a comprehensive gastric examination. 2. turn sweet: spleen heat enzyme secretion abnormality in general, spleen heat mouth sweet, so sweet mouth is mostly due to spleen and stomach dysfunction. Because digestive system dysfunction can lead to abnormal secretion of various enzymes, amylase content in saliva increases, stimulating the taste buds on the tongue and feel sweet mouth. In addition, diabetic patients with elevated blood sugar, salivary sugar is also elevated, will often appear sweet mouth and tongue. 3. turn bitter: liver and gallbladder dampness and heat or gastric fever bitter mouth most of the people because of dampness and heat caused by the liver and gallbladder dampness and heat and gastric fever, generally due to bile reflux, so the first thing should be to check the stomach and gallbladder there is no problem; part of the people who like to late-night snacks or eat spicy food will also be bile reflux caused by the mouth; and older people because the Gastric power is poor, also prone to bitter mouth 4. turn spicy: lung heat or stomach fire inflammation in the mouth with spicy flavor or tongue with a spicy feeling of the people for the lung heat congestion or stomach fire inflammation caused by hypertension, neurosis, menopausal syndrome and chronic hypothermia, most of them are also accompanied by coughing, sputum yellow and thick, thin yellow tongue coating and other symptoms. 5. turn salty: false fire upward floating, kidney yin insufficiency mouth salty and kidney, most of the kidney yin insufficiency, Some of them are also accompanied by lumbar and knee pain, dizziness, tinnitus, heartburn, cold limbs, fatigue, nocturnal urination, etc., mostly in chronic nephritis, neurosis, chronic pharyngolaryngitis or oral ulcers and other conditions.