Inclusion Criteria:  Pneumoconiosis (coal workers' pneumoconiosis) patients aged 18 to 75 years; Comply with TCM syndrome differentiation standards; Sign informed consent forms.  Exclusion Criteria:  Patients who do not get rid of the dust; Patients with active tuberculosis, idiopathic pulmonary fibrosis, asthma, bronchiectasis, pulmonary embolism, chronic respiratory failure or other severe respiratory diseases; Acute exacerbations occurred within 1 month before selection; Patients with severe cardiovascular and cerebrovascular diseases (malignant arrhythmia, unstable angina, acute myocardial infarction, HF New York Heart Association classes III to IV, stroke, cerebral hemorrhage); Patients with severe liver and kidney disease (liver cirrhosis, portal hypertension, dialysis, kidney transplantation); Tumor patients undergoing resection, radiotherapy and chemotherapy within 5 years before selection; Patients with activity difficulties caused by neuromuscular diseases; Patients with severe arthritis; Patients with severe peripheral vascular disease; Pregnant and lactating women; Patients with severe cognitive and mental disorders; Clinical investigators who are participating in other interventions within 1 month before selection.