Lung cancer patients can take Bai Ling Capsule to play a supplementary role. The main ingredient of Bailing capsule is fermented Cordyceps sinensis mushroom powder, which has the function of tonifying lung and kidney, benefiting essence. For palliative treatment of lung cancer patients, Bailing capsule can be used as auxiliary therapeutic drugs, which can help lung cancer patients relieve some corresponding symptoms, such as cough, asthma, hemoptysis, lumbar and back pain and so on. For old and weak patients, Bailing Capsules can relieve the pain while replenishing the middle and benefiting the qi (treating qi deficiency by replenishing the spleen), strengthening the body and improving their immunity. It is worth noting that taking Bailing Capsules cannot be the main treatment for lung cancer, which still needs to be treated mainly by surgery, supplemented by radiotherapy and chemotherapy. If lung cancer patients need to take it, it is recommended to go to regular medical institutions and use it under the guidance of professional physicians.