Early stage lung cancer vascular thrombus can be removed through surgery, chemotherapy and radiotherapy. 1. Surgery: Surgical resection is the most important treatment option for lung cancer, and the standard operation is lobectomy combined with systematic lymph node dissection, early lung cancer can be cured through surgery. 2. Chemotherapy: Early stage lung cancer with vascular embolism has a high probability of recurrence after surgery, so it is necessary to apply pemetrexed and other drugs under the guidance of doctors to carry out postoperative adjuvant chemotherapy, so as to avoid new foci of cancer generated by distant metastatic cancer cells. 3. Radiotherapy: radiotherapy combined with chemotherapy can improve the therapeutic effect. Adjuvant chemotherapy is suitable for vascular cancer embolus whose cancer cells have metastasized from local to blood vessels or lymphatic vessels. Patients are advised to actively cooperate with doctors according to their personal conditions.