Drinking ganoderma lucidum water has no therapeutic effect on lung cancer, but it can be used to relieve cough and other discomforts caused by lung cancer patients with lung deficiency as prescribed by doctors. Lung cancer often manifests symptoms such as coughing and shortness of breath, which can be categorized as cough and wheezing in traditional Chinese medicine. Ganoderma lucidum is a kind of Chinese herbal medicine with sweet and flat flavor, which belongs to lung, heart, liver and kidney meridians. It has the effect of relieving cough and asthma, tonifying qi and tranquilizing the mind. It is used for lung deficiency cough and asthma, restlessness, palpitation, insomnia, and shortness of breath due to deficiency labor. Ganoderma lucidum water refers to Ganoderma lucidum boiled or infused water, but the effective dosage of infused water is limited and difficult to achieve therapeutic effects, Ganoderma lucidum is usually decocted and taken internally. People with solid evidence should be cautious of taking Lingzhi. The adverse effects of this product are not clear, and the drug should be used under the guidance of a doctor for evidence-based treatment. Patients with discomfort are advised to consult a doctor in time to identify the cause of the disease and standardize the treatment.