Summary of case history,　The patient Li, male, 65 years old, visited the hospital on May 28,2021 due to "more than 2 months after lung cancer surgery". On March 9,2021, the patient underwent "right lung cancer resection" in Chongqing Cancer Hospital, with 2 cycles of postoperative chemotherapy. The patient complained of intolerance to chemotherapy, so he came to the outpatient clinic of our hospital for treatment with traditional Chinese medicine. Symptoms and signs: The patient had less cough without sputum, cold hands and feet, especially in winter, good diet, general sleep, loose stool 3 times/day, and normal urination. The tongue is dark purple, with cracks, varicose veins at the bottom of the tongue, white and thick fur, and deep and astringent pulse.,TCM diagnosis,　Lung Cancer (Deficient Qi of the lung and spleen, Deficient Yang of the lung and heart, Location of cold-fluid in the lung).,Western medicine diagnosis,　Stage IV moderately differentiated squamous cell carcinoma of the right lower lobe; Right upper lobe adenocarcinoma with sarcomatoid differentiation; Multiple lung metastases; Bone metastases; After chemotherapy for lung cancer; Leukopenia.,Therapeutic methods,　Chinese medicine is treated with the method of warming, and treated with Yanghe Decoction and Erchen Decoction.,Clinical outcomes,　There was no significant tumor progression in the patients, and the tumor markers were in the normal range. White blood cells increased to normal levels, liver function and renal function had no obvious abnormalities. Hand cold, cough and other symptoms improved, the quality of life improved significantly.