The main symptoms of deficiency fire Wang is dry mouth and throat, five heart heat (two hearts and two feet of the heart fever, and self-consciousness of the heart and chest heat), night sweating (abnormal sweating after sleeping, wake up sweating stop), red tongue, less fluid, pulse (pulse becomes narrow and thin and speed up the rate of), specifically to see which viscera Yin deficiency, there is a difference in the symptoms, as follows: 1. Heart yin deficiency and fire: manifested as heartburn and insomnia, dreamy and irritable, mouth and tongue sores, red tongue, thin moss and less fluids, pulse (pulse becomes narrower and thinner and the rate is accelerated) and other symptoms; 2. Liver yin deficiency and fire: manifested as irritability, distension and pain in the abdomen and ribs, dry mouth, dry throat and bitterness, insomnia, redness, redness of the face and eyes, red tongue with little fluid, and a fine pulse; 3. Stomach yin deficiency and fire: manifested as burning pain in the stomach and epigastric region, hunger, thirst, dry mouth and throat, heat in the heart, red tongue with little fluid, and fine pulse (pulse becomes narrower and finer and the rate is accelerated); 4. Excessive Yin deficiency and fire in the lungs: manifested by dry cough with little sputum, dry throat, or blood in sputum, night sweating (abnormal sweating after going to sleep, and sweating stops after waking up), and so on; 5. Kidney yin deficiency and fire: manifested as night sweating (abnormal sweating after going to sleep and stop sweating after waking up), lumbar and knee pain and weakness (feeling of lumbar and knee pain and weakness), heartburn and heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), dizziness, tinnitus, and so on. The specific organs involved are different, and the symptoms will be significantly different, requiring identification and analysis by a TCM doctor.