Infusion of water to nourish the lungs is not enough basis, the efficacy of the drug is limited, the active ingredients are difficult to analyze, lung deficiency patients need to nourish the lungs, lung deficiency is mostly seen in the symptoms of lung qi deficiency and lung yin deficiency, respectively, can be used to replenish lung qi medicine and yin moisturizing medicine treatment. 1. Lung qi tonic: used for the treatment of cough and wheezing caused by prolonged illness and insufficient source of qi biochemistry, in addition, it can also be used for the treatment of lung qi deficiency, which can be seen in cough and wheezing, phlegm and sputum, and fatigue and discomfort, and other symptoms. Lung tonic pills can be used to regulate, its adverse effects are not yet known, external cough should not be taken. 2. Nourishing Yin and moistening the lungs: Used for the deficiency of lung Yin caused by prolonged coughing and consumptive insects attacking the lungs, which can be seen as dry cough with little sputum, emaciation, and symptoms such as hot flashes (a burst of fever) and night sweating (abnormal sweating after going to sleep, and sweating stops after waking up). Nourishing Yin Qing Lung Pill may be used, and its adverse effects and contraindications are not known with certainty. If you need to use the medicine, you need to be guided by a traditional Chinese medicine practitioner to use the medicine, do not use the medicine arbitrarily to avoid adverse consequences.