1. Pathology-confirmed diagnosis of primary NSCLC with complete resection, and stage IB-IIB

2. Accept chemotherapy for the first time 6 weeks after operation

3. Age of 18-75 years old

4. Eastern Cooperative Oncology Group-PS≤2

5. N\>1.5×109/L、PLT\> 100 × 109/L、Hb\>100g/dL、Liver and kidney function is normal or elevated ≤ 1.5 times

6. Voluntary participation in the prospective study with signed informed consent

Postoperative NSCLC Treated With Integrated Medicine Base on Circulating Tumor Cell Detection