Coughing is one of the most common symptoms of the respiratory system and is caused by reflex coughing after various irritations of the respiratory tract. If the cough is more severe at night, it is mainly due to infectious diseases of the respiratory system. Anti-inflammatory and anti-viral drugs and cough and phlegm medicines are needed for active treatment. If there is no inflammatory infection, it is also necessary to consider allergic diseases or asthma, which are aggravated at night and require appropriate tests for active treatment.