Summary of case history, Mr. GUO, male, 70 years old, chest pain 1 year, physical examination found pulmonary nodules moon. Since December 2018, the patient has conscious chest tightness and chest pain, cough and sputum. On November 3, 2019, chest CT examination in Jinjiang Hospital showed right lung nodules. From November 11, 2019 to the First Affiliated Hospital of Fujian Medical University, chest CT examination showed multiple nodules of the right lung, with a large diameter of about 0.6 cm. Patients did not consider surgical treatment or other treatment. On December 3, 2019, after Professor Zhang Xikui's reception, he saw the patient's chest pain, tired and weak, coughing in the morning with sputum, sputum is not sticky, stool is dry, insomnia is acceptable, dark red tongue coating is white and thick, and the pulse is dull. Professor Zhang Xikui identified this case as syndrome of Qi deficiency and collateral stasis and turbid phlegm obstructing the lung. The main treatment is to replenish qi and dredge collaterals, dissolve phlegm and disperse knots. From October 20,2021 to Jinjiang Hospital, chest CT showed no right pulmonary nodules.,TCM diagnosis, Chest Pain (syndrome of Qi deficiency and collateral stasis and turbid phlegm obstructing the lung),Western medicine diagnosis ,pulmonary nodule.,Therapeutic methods ,Modified Buqi Tongluo Formula,Clinical outcomes, Chest CT examination showed no right pulmonary nodules.