Coughing after radiotherapy for esophageal cancer may be caused by respiratory tract infection as well as treatment stimulation. 1. Respiratory tract infection, esophageal cancer patients themselves are weak, plus the side effects of radiotherapy may further reduce patients’ immunity and cause respiratory tract infection, which may lead to coughing and sputum, etc. It is necessary to use antibiotics such as amoxicillin and ribavirin for anti-infection treatment. 2. Treatment of stimulation, whether radiotherapy or chemotherapy is possible on the organs, lungs and bronchial tubes and other stimuli, once the damage or abnormal contraction, will cause cough, generally more mild do not need special treatment, the situation is serious can be used to aminophylline and other antispasmodic cough medicine treatment.