Coughing after dust inhalation needs to be treated accordingly depending on accidental inhalation and occupational factors respectively. If the dust is inhaled only accidentally, the inhalation of dust causes irritating cough. In this case, it is necessary to get out of the environment immediately and drink a lot of water. If cough relief is not obvious, you can use dextromethorphan and other cough suppressants. If the patient is allergic, inhalation of dust, causing allergic cough, such cases can use anti-allergic drugs such as loratadine, cetirizine, etc. to relieve cough symptoms. If it is due to occupational factors, long-term inhalation of dust caused by coughing, consider the possibility of pneumoconiosis. In this case, it is necessary to get out of the environment and quit smoking. If the cough is mainly dry, codeine and dextromethorphan can be used to suppress the cough; if the cough and sputum are present, bromhexine and ambroxol can be used to resolve the sputum. If fibrotic changes occur in the lungs, antifibrotic treatment can also be given with haldol and pirfenidone. Cough can be caused by a variety of diseases, if the symptoms do not improve or aggravate, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to improve the examination, to clarify the cause of the disease, and comply with the doctor’s instructions for treatment.