Lung cancer is a relatively common type of malignant lung tumor clinically. Due to the different specific types of lung cancer in different populations, the symptoms experienced by patients also vary. In the early stages of lung cancer, symptoms are generally characterized by irritative dry cough, hemoptysis, breathlessness, and chest tightness. As the tumor grows and metastasizes, patients in the later stages may experience varying degrees of coughing, wheezing, and expectoration. For such patients, the first step is to provide appropriate anti-infection treatment and oral administration of antispasmodic drugs. Inhalation of medications that relieve bronchospasm can also be chosen, both of which can achieve a certain effect in relieving cough and easing breathing.