The causes of lung fire are as follows: first, is the feeling of external evil, such as wind, cold, summer, moisture, dryness, can enter the body, into the fire, and make the human body suffer from lung fire. The second point is that the body’s own yang energy is too strong, coupled with the influence of emotions, such as the patient usually appear great joy, great sadness, great anger, etc., this emotional change will also lead to the appearance of the fire, it is easy to appear lung fire exuberance. The third point is that the fire of the human body is conducted in the body, and the lung fire, mostly seen in the liver fire on the inflammation and appear, in the clinical can regulate the liver meridian, for the lung fire to carry out the fundamental treatment. In clinical practice, lung fire can be treated by some related medicines, such as Sang Ju Drink, Sha Shen Mai Dong Tang, Qing Jin Hua Phlegm Tang, etc.