Pleural metastasis of lung cancer indicates that it is in the advanced stage of the disease, which is usually very serious and patients are advised to treat it actively. Usually when lung cancer is in advanced stage, the cancer cells will show pleural metastasis and bone metastasis, which are very serious. People with pleural metastasis of lung cancer will have irregular hidden pain or dull pain in chest, which is often aggravated when coughing. Some patients will also have different degrees of pleural fluid, which is mainly related to the obstruction of pleural lymphatic reflux, causing serious impact on life quality and health. To deal with pleural metastasis of lung cancer, patients can follow the doctor’s instruction to control the condition through radiotherapy, chemotherapy and targeted therapy to prevent the cancer cells from further spreading to the surrounding organs and tissues. During the treatment period, it is necessary to ensure balanced intake of nutrients to satisfy the body’s needs, which is beneficial to the recovery of the body. It is suggested that people with pleural metastasis of lung cancer should actively cooperate with doctors in treatment, and should not indiscriminately use drugs or prescriptions on their own to prevent aggravation of the condition. Patients should also adjust their mentality and pay attention to regular medical checkups.