There is no authoritative clinical information to show how long microinvasive lung adenocarcinoma can live, and the 5-year survival rate of most patients with invasive lung adenocarcinoma is 5%~80%. Microinvasive lung adenocarcinoma belongs to a type of lung adenocarcinoma, and the specific survival time of patients with microinvasive lung adenocarcinoma needs to be judged according to the severity of the patient’s condition and the effect of treatment. If microinvasive lung adenocarcinoma patients are treated with surgery, chemotherapy and radiotherapy in time. The 5-year survival rate of stage I microinvasive lung adenocarcinoma patients can reach 70%~80%, while the 5-year survival rate of stage II microinvasive lung adenocarcinoma is usually around 40%, as well as stage III microinvasive lung adenocarcinoma patients’ 5-year survival rate is usually 15%. If the patient is in stage IV of microinvasive lung adenocarcinoma, the 5-year survival rate is usually lower than 5%. Patients with microinvasive lung adenocarcinoma need to seek prompt medical treatment, and the doctor will determine how long they can survive according to their specific conditions. In addition, patients with microinvasive lung adenocarcinoma need to follow the doctor’s instructions to choose appropriate measures for treatment, and during the treatment period, patients should keep their moods relaxed and avoid overwork.