The invention discloses a lung caring pill, belonging to traditional Chinese medicine preparations. The lung caring pill comprises the following active pharmaceutical ingredients in certain parts by weight: bulbus fritilariae, almond, pseudo-ginseng, lumbricus amd ephedra. The lung caring pill is used for treating bronchitis and chronic bronchitis, and the effective rate for preventing pulmonary fibrosis is up to 91.2%; and the toxicity test and clinical practice prove that the medicine is safe and effective and has no toxic or side effect. The medicine can have the effects of moistening the lung, resolving the phlegm, promoting the dispersing function of the lung, regulating the flow of qi and relieving cough and asthma. The lung caring pill does not have a therapeutic action on the formed fibrosis pathological changes, but can reinforce the blood flow of the partial capillary network, improve the pulmonary alveolus function, promote the extinction of the bronchus chronic inflammation, decrease the inflammatory exudation and prevent pulmonary fibrosis from further development. The lung caring pill has the characteristics of definite curative effect, high safety and high economical performance.