Children cough and runny nose for more than 10 days is not better, need to be alert to the upper respiratory cough syndrome, cough variant asthma may be, can cooperate with the doctor to choose the symptomatic treatment, the cause of the treatment, home care and so on. 1. Upper respiratory cough syndrome: this disease is mainly due to rhinitis, sinusitis, etc. due to poor nasal drainage, resulting in nasal secretions backflow into the throat, stimulation of the throat caused by coughing. This condition requires active treatment of the primary disease. Improve nasal ventilation, can improve nasopharyngoscopy to clarify the diagnosis. Follow the doctor’s instructions to be suction care, negative pressure nasal drainage replacement. If the baby is considered to be allergic rhinitis, mometasone furoate nasal spray can be given local anti-inflammatory and anti-allergy treatment as prescribed by the doctor. In addition, you can also give sea salt water nasal spray symptomatic supportive treatment. 2. Cough variant asthma: if older babies cough and runny nose for a long time does not get better, can be combined with the results of eosinophils in the blood routine, lung function, bronchodilatation test, excitation test to assist in the diagnosis. If it is clear that the cough variant asthma, can be under the guidance of the doctor to be budesonide and other drugs nebulized inhalation treatment. Usually should avoid contact with allergens. Clinical causes of the baby’s cough and runny nose more reasons, some special pathogen infection, such as adenovirus can also lead to the baby’s symptoms persist for a long time, if the child’s cough and runny nose for more than ten days is still not good, you should go to the hospital in a timely manner to follow-up, improve the relevant examination, and then follow the doctor’s instructions for treatment.