Lung adenocarcinoma T1N0M0 refers to early lung adenocarcinoma, which is not particularly serious and usually has no metastatic problems. Patients do not need to worry too much. If this situation occurs, it is necessary to actively cooperate with the doctor’s treatment to prevent deterioration. The main treatment for early lung adenocarcinoma is surgical resection. T1N0M0 is based on TNM staging of lung adenocarcinoma, which is a clinical staging based on the size of the lesion itself, the presence or absence of lymph node metastasis, and the presence or absence of metastasis to distant organs. The so-called early stage lung adenocarcinoma means that the tumor diameter is less than 3cm, there is no lymph node metastasis or distant metastasis, and the patient can get a better quality of survival through surgical treatment. Although the severity of lung adenocarcinoma T1N0M0 is low and a better prognosis can be obtained through surgery, such patients still need to undergo regular review after radical surgery. In daily life, patients should keep a good mindset, avoid smoking and alcohol, avoid excessive spicy and stimulating foods, and eat a light diet.