Lung rales, in general, do not heal on their own. Lung rales are mainly related to inflammation and are categorized into wet and dry rales. Wet rales are usually associated with bronchitis and pneumonia, and are usually characterized by short and intermittent breath sounds, coughing up sputum, fever and other symptoms. Symptoms can be treated with anti-infective drugs, such as cephalosporin antibiotics, and symptomatic use of drugs such as pentoxyverine citrate and bromhexine hydrochloride, which are prescription medications and need to be used under the supervision of a doctor. Dry rales are usually associated with the presence of foreign bodies in the main bronchial tubes, too much thick secretions in the airways, lymph nodes, masses, etc. They are usually characterized by persistent and prolonged breath sounds, rales, etc. Often, the cause of the rales needs to be treated, such as surgical treatment of lymph nodes and masses. In addition, drugs such as pyrazinamide tablets and ethambutol hydrochloride tablets can be taken under doctor’s supervision for treatment. The above drugs are prescription drugs and should be used according to the doctor’s instructions. It is recommended to consult a doctor for treatment if symptoms are severe.