There are many reasons for coughing at work, which may be caused by coronary heart disease, bronchial asthma and other diseases. It can be treated by medication, surgery and other methods. 1. Coronary heart disease: is due to coronary artery blood vessels atherosclerosis, resulting in myocardial ischemia and hypoxia, there will be chest pain, chest tightness, a work cough, shortness of breath and other symptoms, can be prescribed by the use of nitroglycerin, nitrate isosorbide and other drugs for treatment, when the effect of drug treatment is not good can be treated by surgery. 2. bronchial asthma: work cardiorespiratory output will increase, the respiratory rate will also be accelerated, the speed of air into the airway will be accelerated, the stimulation of the airway will be strengthened, resulting in bronchial constriction and spasm, there may be a work on the symptoms of coughing, can be prescribed by the use of budesonide, beclomethasone propionate, and other medications for treatment. There are many reasons for coughing at work, it is recommended that patients go to the hospital in time to clarify the cause of the disease and standardized treatment under the guidance of the doctor.