Children blowing air conditioning nose blocked may be due to allergic rhinitis, may also be due to hypertrophy of the nasal turbinates, may also be due to nasal septum deviation caused by different reasons, different treatment methods, including drug therapy, physical therapy, surgery, etc.. 1. Allergic rhinitis: allergic rhinitis children exposed to dust in the air conditioning can make the nasal mucosa edema, nasal congestion, treatment can be prescribed to the child oral loratadine syrup, budesonide nasal spray to treat, but also let the child less blowing air conditioning. 2. Nasal turbinate hypertrophy: Nasal turbinate hypertrophy can also lead to the narrowing of the child’s nasal airway, cold stimulation can lead to an increase in nasal secretions, the treatment can also use mometasone furoate nasal spray, saline nasal spray to alleviate the symptoms, but also through the surgery and other methods of reducing the size of the nasal turbinate to improve ventilation. 3. Nasal septum deviation: Nasal septum deviation is related to the uneven development of nasal septum shape, the disease can also lead to the child’s nasal drainage is not smooth, the symptoms of a blocked nose when blowing the air conditioning, you can improve the nasopharyngoscopy, if necessary, can be surgical treatment. In addition to the above diseases, other factors can also lead to the child’s nose blocked when blowing air conditioning symptoms, it is recommended to consult a doctor in time to identify the cause, and ask the doctor to deal with it.