The survival time of malignant tumor patients depends on the tumor stage and treatment plan, which is different for each individual, and there are obvious individualized differences in tumor treatment, which is a kind of comprehensive treatment. Many patients with early detection, timely surgery and postoperative adjuvant radiotherapy or chemotherapy can survive up to five years, and of course, some patients with highly differentiated tumors may survive with tumor for 3-5 years, which is not absolute. The most important thing is to carry out systematic treatment and choose the targeted treatment plan according to the biological behavior and pathological type of the tumor. For adenocarcinoma, especially lung cancer, targeted therapy has a transgenerational significance because many patients can benefit from it, and some patients can even have their tumors disappear completely after taking oral targeted drugs, prolonging their lives.