Whether to use chemotherapy or radiotherapy regimen for advanced lung cancer needs to be determined according to the specific conditions of patients, and clinically there is no difference between good and bad. The treatment plan for patients with advanced lung cancer needs to be determined by doctors according to the patient’s condition and physical condition. Usually, patients with advanced localized lesions can be treated with chemotherapy together with radiotherapy, which can achieve better therapeutic effect. If the patient has systemic metastasis, chemotherapy can be used as the main treatment, along with radiotherapy to reduce local symptoms. Due to the different physique, some patients will have serious adverse reactions after radiotherapy, such as strong nausea, vomiting, headache, fatigue, and some patients will have allergic reactions such as skin rashes etc. Patients should strengthen the nutrition, enhance the physique, and alleviate the adverse reactions during radiotherapy. Patients should follow the doctor’s instructions during radiotherapy and get timely treatment when discomfort occurs.