The child cough dry cough is just a symptom, need to be clearly diagnosed to be treated with medication, if the baby has a dry cough, it is recommended to consult a doctor in a timely manner to identify the cause of the targeted treatment. If the child dry cough, it is recommended to treat the root cause of dry cough, need to identify the cause of treatment. Most of the children dry cough with mycoplasma infection, pertussis infection, cough variant asthma and so on. Sputum culture, mycoplasma nucleic acid PCR, pertussis nucleic acid PCR and other tests can be improved to clarify the diagnosis. Give azithromycin and other macrolides antibiotic anti-infection treatment in time. Older children need to be alert to cough variant asthma and other diseases, can improve the bronchodilator test, pulmonary function tests and other clear diagnosis, and then can be prescribed to budesonide, salbutamol nebulizer inhalation symptomatic supportive treatment, if necessary, can be added with montelukast for treatment. If the possibility of bacterial infection is considered to be high in pneumonia, antibiotics such as cefozoxime can be given under the guidance of the doctor, and the use of antibiotics can be adjusted according to the results of drug sensitivity. If your baby has a dry cough, it is recommended to consult a doctor and follow the doctor’s instructions.