Early invasive adenocarcinoma of the lung usually requires surgical resection, and the specific treatment needs to be analyzed in the light of the condition. Lung adenocarcinoma is one of the common pathological types of lung cancer, which is more common in women and is mostly caused by smoking, environment and gene mutation. Early stage lung adenocarcinoma foci are often limited, and the main treatment after diagnosis is surgical resection, including lobectomy plus systematic hilar and mediastinal lymph node dissection. Postoperative adjuvant therapy is not recommended for patients with complete resection; for those with positive margins, reoperation can be performed; and for patients who cannot undergo surgery, such as severe medical comorbidities, advanced age, and refusal of surgery, they can be treated with stereotactic radiotherapy. Patients with invasive adenocarcinoma of the lung need to actively consult the doctor and follow the doctor’s instructions for reasonable treatment.