Small cell lung cancer is a less malignant tumor, accounting for about 10% of overall lung cancer, and is more difficult to treat, most notably because of its higher malignancy and susceptibility to early recurrence and metastasis. TCM has good benefits for small cell lung cancer, as follows: 1. When patients receive radiotherapy or chemotherapy, TCM treatment can reduce radiotherapy toxicity and improve patients’ compliance with radiotherapy; 2. When patients are weak and cannot receive active anti-tumor treatment and radiotherapy, TCM treatment can take the main responsibility of treatment and can improve patients’ immunity It can reduce the symptoms caused by tumor invasion and metastasis, such as pain, weakness, loss of appetite, sleep disorder, etc. By improving the patient’s physical status and physical performance score, it can win the opportunity for treatment.