Adenocarcinoma patients, because of the availability of gene-driven targeted drugs, 1/3 of patients do not need to receive traditional way chemotherapy, 1/3 of patients can receive targeted therapy, and 1/3 of the remaining 2/3 of patients may receive immunotherapy. Adenocarcinoma treatment should choose 3 kinds of treatments: chemotherapy, targeted therapy and immunotherapy. 1, chemotherapy reaction includes common nausea, vomiting, inhibition of bone marrow function. 2, the side effects of targeted therapy are significantly reduced compared with chemotherapy, and many patients can take targeted drugs orally at home and work and study normally. Common side effects of targeted drugs, the vast majority of people may only have a rash on the face, the probability of a very serious rash is not high. Targeted side effects also include a slight diarrhea performance, a slight finger like inguinitis performance, but the vast majority of the drug after rubbing can be relieved, some patients will appear after the use of liver function transaminase elevation, the incidence of a small percentage. Although the safety of targeted drugs is better than that of chemotherapy, it is necessary to monitor the adverse effects during treatment and treat the symptoms in a timely manner.