The causes, symptoms, and treatment of lung qi deficiency and lung fever are all different. Lung qi deficiency is mostly caused by prolonged illness and coughing, old age and frailty, accumulation of labor and injury, and congenital insufficiency. Lung fever is mostly caused by external wind-heat and dryness, external cold that enters the interior and turns into heat, or weak lung yin deficiency and depletion of the body. Lung qi deficiency is manifested by coughing, sputum clearing, low voice, white color, fatigue (mental exhaustion, physical weakness), limb weariness, self-sweating (involuntary sweating during the day, a little movement sweating aggravated) fear of wind symptoms. Lung heat will be manifested by cough, yellow phlegm, sore throat, fever and other symptoms. In the case of deficiency heat caused by lung yin deficiency (insufficient yin fluid in the lungs), symptoms such as zygomatic redness (reddish color in the cheeks and zygomatic bones) hot flashes and night sweats (abnormal sweating after going to sleep, which stops after waking up) may also occur. Lung qi deficiency is often treated by tonifying lung qi, and commonly used remedies include Lung Tonic Soup, Chinese medicines Yupingfeng Granules, and Ku Ben Cough and Asthma Tablets. For the treatment of lung heat, the most common methods of treatment are to clear the lungs and remove the fire, cool and remove the epidermis, and nourish the yin and moisten the lungs, etc. Commonly used prescriptions under the guidance of the doctor include Sang Ju Drink, Sang Xing Tang, Ma Xing Shi Gan Tang, Qing Jin Huo Phlegm Tang, Daxing Bai San, and Bai He Gu Jin Tang, etc. If symptoms of lung qi deficiency or lung heat occur, please consult a doctor in time to receive standardized treatment, and do not use medication on your own to avoid delaying your condition.