Pneumoconiosis has no specific clinical manifestations, mainly manifested as respiratory symptoms, and a few patients may also have symptoms outside the respiratory tract. 1. Cough: Early pneumoconiosis patients have slight cough, mostly irritating dry cough. With the development of the disease, patients may have chronic bronchitis, chronic obstructive pulmonary disease and other complications, at this time, the cough is more aggravated than before; 2, cough sputum: the patient’s initial cough sputum is not obvious, the amount of sputum is not much, most of the gray thin sputum; after the sputum increases, most of the sputum is black, gray sputum, and sometimes even a small amount of dust can be coughed up directly; when combined with lung infection and chronic bronchitis, the amount of sputum is more, and it is yellow viscous pus sputum, which is not easy to be coughed up. Chest pain: patients often feel chest pain, the pain site is not certain, but more limited, often manifested as hidden pain, swelling pain, but also can be a pinprick pain. 4.Dyspnea: patients can have dyspnea in the early stage, initially manifested as shortness of breath after activity, decreased activity endurance, and then shortness of breath at rest, patients lose the ability to move. 5, hemoptysis: relatively rare, dust deposition in the lung tissue, stimulate the lung repeated inflammation, so that blood vessel damage, sputum can be with a small amount of blood, may also be a large piece of fibrosis foci of dissolution rupture injury to the blood vessels, so that hemoptysis increased. In addition to the above respiratory symptoms, there can be different degrees of systemic symptoms, due to the long-term presence of inflammation or co-infection, but also affect the overall immune function and health of the patient, there will be fatigue, loss of appetite, emaciation, nausea, vomiting and other symptoms. Pneumoconiosis greatly jeopardizes the health of patients. Early recognition of symptoms, early diagnosis and treatment are of great help to the prognosis of patients.