Do you sometimes have a sudden craving for sour or a sudden craving for spicy food that awakens your tastebuds? This is a disease! You may not know that the sudden changes in your sense of taste are a reflection of physical ailments. 1. turn sour: heat of liver and gall bladder eats spleen According to Chinese medicine, liver heat is sour in the mouth, mostly due to heat of liver and gall bladder erosion of the spleen after the formation, and many people may also have a thin yellow tongue coating, bloating after eating, nausea, and even chest tightness and rib pain, which indicates that you may have gastritis or peptic ulcers and other diseases, it is best to do a comprehensive stomach examination. 2. Turning sweet: abnormal secretion of spleen heat enzymes Generally speaking, the spleen is hot and the mouth is sweet, so the sweetness of the mouth is mostly due to dysfunction of the spleen and stomach. Because digestive system dysfunction can lead to abnormal secretion of various enzymes, the amylase content in saliva increases, stimulating the taste buds on the tongue and feeling sweet mouth. In addition, diabetic patients with elevated blood sugar, saliva sugar is also elevated, also often appear sweet mouth and tongue. 3. Turning bitter: damp heat of liver and gallbladder or stomach heat Most of the bitterness is caused by damp heat, mostly due to damp heat of liver and gallbladder and stomach heat, which is usually caused by bile reflux, so first of all, the stomach and gallbladder should be checked to see if there is any problem; some people who like late night snacking or over-eating spicy food will also have bile reflux causing bitterness in the mouth; and the elderly are prone to bitterness in the mouth because of poor gastric power. 4. Turning spicy: lung heat or stomach fire on inflammation with spicy taste in the mouth People with a spicy sensation in the mouth or tongue are mostly caused by lung heat or inflammation of stomach fire, which is common in people with high blood pressure, neurosis, menopausal syndrome and long-term low fever, mostly accompanied by cough, thick yellow phlegm, thin yellow tongue coating and other symptoms. 5. turn salty: deficiency fire on the floating, kidney yin deficiency mouth salty and kidney, mostly due to kidney yin deficiency, deficiency fire on the floating, some are also accompanied by waist and knee weakness, dizziness, tinnitus, five heartburn, cold limbs, fatigue, frequent night urination and other symptoms, mostly seen in chronic nephritis, neurosis, chronic pharyngitis or oral ulcers and other diseases.