Lung adenocarcinoma is a pathological type of non-small cell lung cancer. If a patient has reached the advanced stage of lung adenocarcinoma, he or she often cannot tolerate surgery, radiotherapy or chemotherapy. The following treatment methods should be adopted: 1. General treatment. Patients should pay attention to rest, prevent from cold, maintain nutrition, and can be given oxygen. 2. Symptomatic treatment. If cough and sputum are obvious, cough and sputum treatment should be given; if shortness of breath is obvious, asthma medication should be given, and ultrasound examination of chest should be performed. 3.