Diseases that cause children to dry cough has not been good may have whooping cough, cough variant asthma, gastroesophageal reflux cough, etc., the causes of different treatments are different, should be timely medical treatment, the treatment mainly has medication, general treatment and so on. 1. Pertussis: It is an acute respiratory infectious disease caused by Bordetella pertussis, with a long duration of coughing symptoms. Commonly used drugs for antibacterial treatment, such as azithromycin. Children with severe spasmodic cough need to use sedatives such as sodium phenobarbital as appropriate. In addition, children need appropriate respiratory isolation and fresh indoor air. 2. Cough variant asthma: a disease in which chronic cough is the main or only clinical manifestation. If the dry cough caused by cough variant asthma is not good, glucocorticosteroids such as budesonide and fluticasone can be used as prescribed by the doctor in order to suppress airway inflammation and thus improve the cough. 3. Gastroesophageal reflux cough: active treatment of the primary disease is needed. Antacids such as omeprazole are commonly used to treat the cough, and at the same time correcting the bad lifestyle and avoiding foods such as coffee and chocolate. Children’s dry cough has not been good, parents should go to its visit to the hospital to identify the cause of the disease, and actively cooperate with the doctor’s treatment. Daily should develop good habits, avoid inhaling second-hand smoke, appropriate increase or decrease clothing, avoid colds, aggravate the symptoms of cough. All the above medications should be used under the guidance of a doctor, avoid self-medication.