Children often cough need to identify the cause, may be physiological, may also be pathological; physiological causes need to adjust the lifestyle, pathologically caused by the need for targeted treatment under the guidance of the doctor, such as medication. 1. physiological: due to children do not like to drink water and live in a dry environment caused by dry cough, no abnormalities of the mild cough generally do not need special treatment, daily supervision of children to drink more water, keep the indoor environment moist, if necessary, the use of humidifiers, generally can be relieved. 2. Pathologic: (1) Postnasal drip syndrome: children can have paroxysmal or persistent dry cough, more prominent during the day, less coughing during sleep, with frequent throat clearing, coughing up sputum, nasal extraction and other discomforts. First of all, the nasal cavity and sinus lesions should be treated, rinse the nasal cavity with saline, oral loratadine syrup; for allergic rhinitis children, fluticasone propionate nasal spray and other nasal hormone nasal spray treatment. (2) If the cough is caused by respiratory infectious diseases, anti-infective treatment is needed. If respiratory viral infections are considered, anti-viral oral solution can be taken; if bacterial infections are considered, upper respiratory tract infections are mainly caused by gram-positive bacterial infections, and cephalosporins, such as cefaclor, can be taken. (3) Cough variant asthma: Cough variant asthma is often characterized by nocturnal cough. It should be treated according to asthma standardization, local use of glucocorticoids (budesonide inhalation aerosol) and other drugs to relieve symptoms. There may be other factors caused by coughing, coughing is obvious, if the adjustment of lifestyle is not obvious, to go to the hospital in a timely manner to clarify the cause of the disease, in accordance with the doctor’s instructions standardized treatment.