Ancestral Legend Formula for Lung Cancer is not true, there is no such thing as a miracle cure for lung cancer. Lung cancer is usually treated by surgery, radiotherapy, targeted therapy and immunotherapy. 1. Surgery: it is suitable for patients with early stage of lung cancer who have not yet developed distant metastasis, and surgery can be considered after preoperative chemotherapy or radiotherapy. Surgery can be considered after preoperative chemotherapy or radiotherapy. Anatomical lobectomy and lymph node dissection are preferred. 2. Radiotherapy: it is suitable for patients with obvious local invasion of tumor, and post-surgical radiotherapy is used to deal with postoperative residual margins or locally advanced cases. 3. Targeted therapy: highly targeted and with mild side effects. It is applicable to patients with driver gene mutation of lung adenocarcinoma, and some patients can survive for a long time. 4. Immunotherapy: it is applicable to patients with no driver gene mutation of lung adenocarcinoma and advanced stage of lung cancer, which can enable a few advanced patients to obtain long-term survival. It is suggested that lung cancer patients should not believe in the so-called miracle cure, go to the hospital in time, choose the suitable treatment plan under the doctor’s advice, and have early detection and early treatment, so as to avoid delaying the condition and causing adverse consequences.