Lung cancer metastasis to the neck bag is usually caused by lung cancer metastasis to the lymph nodes in the neck, and some patients can have lymph node dissection. Lung cancer neck lymph node metastasis is usually characterized by neck enlargement and accompanied by pain, and it is feasible to perform sweeping operation, radiotherapy, chemotherapy and targeted therapy. 1. Lymph node dissection: patients with indications for surgery can undergo lymph node dissection to eradicate metastatic lymph nodes. 2. Radiotherapy: local radiotherapy is feasible for neck lymph node metastasis of lung cancer, which can generally kill cancer cells effectively. In addition to radiotherapy for metastatic cancer, it is also necessary to target the primary tumor. 3. Chemotherapy: the purpose is to inhibit the metastasis or spread of cancer cells, and if the cancer has already metastasized or spread to other parts of the body, it is necessary to strengthen the treatment. There are many adverse reactions after chemotherapy, such as bone marrow suppression, gastrointestinal reaction, etc. For serious cases, symptomatic treatment can be carried out under the guidance of doctors to reduce the adverse reactions. 4. Targeted therapy: Targeted drugs include crizotinib and gefitinib, etc. Doctors should choose different drugs according to different gene mutations, such as EGFR mutation can be treated with gefitinib. Patients whose lung cancer has metastasized to the neck should seek medical treatment in time and choose appropriate treatments under doctor’s guidance in order to prolong the survival period and improve the quality of life.