If patients with lung adenocarcinoma are in good condition after treatment, they can receive booster injection of NCCV; however, if they are under treatment, it is not recommended. Whether patients with lung adenocarcinoma can receive the booster shot of New Crown Vaccine should be judged according to the specific conditions of the patients. Patients with early stage of lung adenocarcinoma can receive the booster shot if they have recovered well after surgical treatment. However, if the patient has not undergone radical surgery or is currently receiving chemotherapy, targeted therapy, immunotherapy, etc., it is generally not suitable for vaccination. As patients who are undergoing treatment generally have poor immunity, the basic state of the body is not very good, and the new crown vaccine booster injection may produce some adverse reactions after inoculation, affecting the patient’s condition and adversely affecting the patient, so it is not recommended that this part of the patient for inoculation. Before vaccination, patients can consult their doctors and inform them of the detailed situation, so that professional doctors can make judgment.