There is no accurate figure for the probability of curing lung adenocarcinoma with 3A chemotherapy for 6 times, but it does not mean that there is no possibility of cure, only the chance is low. Stage 3A lung cancer belongs to middle and advanced lung cancer, at this time, the tumor has invaded into the pleura of dirty wall layer, chest wall, mediastinal pleura or pericardium, and some patients may have developed metastasis of distal organs, which is tricky in treatment. If six rounds of chemotherapy have been administered without lobectomy plus systematic lymph node dissection, the overall prognosis is still poor and the probability of cure is extremely low. If the corresponding surgery has been done before chemotherapy, and the chemotherapy has been given 6 times, the possibility of complete cure is also very low, and regular follow-up is needed. It is recommended to go to the hospital in time, complete the relevant examinations under the guidance of the doctor, cooperate with the doctor’s surgery and adjuvant therapy, and pay attention to the diet in the course of chemotherapy, avoid staying up all night, strengthen the exercise, improve the quality of the body.