“Fire” is not a standardized Chinese medical term, generally refers to mouth and tongue sores, sore throat, dry stools and other discomforts. There are many manifestations of the body on fire, such as heart fire caused by irritability and insomnia, lung fire caused by coughing and phlegm, stomach fire caused by noisy acid swallowing (stomach discomfort, acid water on the flood after swallowing), liver fire caused by dry mouth and bitter mouth. 1. Heart fire is mainly manifested as irritability, palpitations (rapid heartbeat, often accompanied by panic), insomnia and dreams, or gum swelling and pain, the heart and the small intestine with the surface, so you can also see the urine short and red (small amount of urine, dark yellow color), or even burning pain, and so on. 2. Lung fire is mainly manifested as coughing and coughing up phlegm, yellow sticky phlegm, sputum or sputum with blood, sore throat, hoarseness, shortness of breath and so on. 3. Stomach fire is mainly manifested as hiccups (hiccups), heartburn, noisy acid swallowing, dry mouth, bad breath, swollen gums and bleeding, abdominal distension, constipation and so on. 4. Liver fire is mainly manifested as emotional instability, large fluctuations, easy to anger, dry mouth, bitter, headache, red face, red eyes, or dizziness, burning pain in the chest and ribs (chest and ribs area). When discomfort occurs, you should seek medical advice and treatment under the guidance of a doctor.